Crypto Basics

What are NFTs? NFT Art Explained | Future of NFTs

Learn more about NFTs and their future.
Token Metrics Team
6 minutes
MIN

You may have heard of CryptoPunks, Bored Ape Yacht Club, and VeeFriends, but you may not understand what they are. These names may sound like random combinations of words, but they actually represent some of the most valuable non-fungible token (NFT) projects that have emerged in the past few years.

The world of crypto art and NFTs may appear complex and mysterious, with a mix of celebrities, influencers, and internet experts. But it's not as confusing as it seems. Let's start from the beginning.

What Is An NFT?

Nearly all crypto art that has been introduced to the market has been done so through the minting of non-fungible tokens (NFTs). NFTs are digital assets that have verified proof of ownership. While "fungible tokens" like the US dollar can be easily traded (like exchanging 4 quarters for a dollar), each NFT is unique and cannot be easily traded. For example, imagine a sketch of "Starry Night" by Vincent Van Gogh that has been authenticated by a fine art appraiser as an original. This sketch would be non-fungible because you could not easily exchange it for, say, an original sketch by Leonardo da Vinci. This concept is easy to understand with tangible items like art pieces or collectible cards, but when digital assets can range from a celebrity tweet to an iconic meme to a picture of a pimped out animated ape, it may be confusing.

How Can We Ensure Unique Authenticity?

This is where NFTs enter the scene. Say you are a graphic design artist who just finished your newest 1-of-1 piece of work and you want to sell it as an NFT. Whoever purchases this piece would not only receive the artwork but they would also receive a “digital receipt” that proves that this exact piece is original, unique and authentic.

“But What If I Just Screenshot This Digital Artwork? Wouldn’t I Technically Own the Piece as Well?”

This is the first question that many have mockingly asked on social media and internet forums. The easy answer: yes, you can screenshot practically all digital artwork, but no, that does not mean you own it.

For example, millions of people swarm into the Louvre every year, waiting patiently amidst a giddy crowd, just to capture a picture of the priceless Mona Lisa. Obviously, a picture of the Mona Lisa saved on your iPhone camera roll does not mean that you own that painting.

NFTs work the same way.

Just as the Louvre paid millions of dollars to own, maintain, and display the Mona Lisa in their museum, NFT buyers do the same. However, the main difference is that instead of paying dollars to house the art in a fancy museum, they are paying with cryptocurrency and housing their art in a virtual showcase, so to speak.

This is the basis for how NFTs, cryptocurrency, and blockchain technology are establishing a new and lucrative market for digital art and artists.

The Art of Being Digital

In a 2021 interview, Gary Vaynerchuk (founder of Vayner Media and creator of VeeFriends) made the following statement regarding NFTs. The interviewer remarks on the tangibility of NFTs stating, "the digital aspect, like, you can't see it" — Gary jumps in:

"Well, you can't see a blue check on Instagram? I don't walk around the world with a blue check tattooed on my forehead, but everybody sees it. You can't see my 9 million followers on Instagram, or can you? I would argue the reverse. I would argue that people can't see most of the fancy things you have in your house; that people can see more digital than real life."

And he's onto something, and I'd like to call that something "The Art of Being Digital". In our highly digitized world, our online outreach and interconnectivity is wildly amplified. Gary Vee currently has 9.9 million followers on Instagram — but without access to the internet — he has no way of interacting with that community and tapping into the true power of those 9.9 million people.

Why Do NFTs Have Value?

The value of an NFT is determined by the collective intentionality of those who are willing to buy and sell them. In other words, the value of an NFT is based on what people are willing to pay for it. This is similar to the way that the value of traditional art is determined by the market, with the value being based on factors such as the artist's fame and the rarity of the work.

The Tom Brady example illustrates this idea. On the surface, it might seem strange that someone would pay $430k for a digital picture of a cartoon ape. However, if we consider the fact that the buyer was Tom Brady and the seller was the well-known digital artist Trevor Jones, it becomes clearer that the value of the NFT was determined by the collective intentionality of those involved in the transaction.

Furthermore, the digital art of NFTs offers more than just a digital file and a high price tag. NFTs provide the ability for digital artists to monetize their work and for collectors to own and trade unique digital items. This opens up new opportunities for artists and collectors alike, and has led to the growth of a vibrant and exciting market for NFTs.

Join The Club

Celebrities such as Tom Brady, Post Malone, Steph Curry, and Jimmy Fallon have been buying Bored Ape NFTs. Bored Ape NFTs were introduced by the Bored Ape Yacht Club (BAYC) in April 2021 at a price of 0.08 Ethereum (ETH) each, or about $190 at the time. Since then, the price of Bored Apes has increased significantly, yielding substantial returns for early investors.

In addition to the potential for financial gain, buying a Bored Ape NFT also grants the buyer access to the BAYC community. This includes access to the BAYC Discord, where buyers can connect with other members of the club, including celebrities, and collaborate on NFT-related projects. BAYC also gives members priority access to future NFT drops, allowing them to expand their collections.

Minting and selling NFTs can also be highly lucrative for those who create their own NFT projects. This is another reason why celebrities and others may be interested in the NFT market. Creating and selling NFTs allows artists and other creators to monetize their digital work and gives collectors the opportunity to own unique digital items. The growth of the NFT market has created new opportunities for both artists and collectors, leading to a vibrant and exciting market for NFTs.

Blockchain, Smart Contracts, and Secondary Sales

Blockchain technology is used to record the conversion of traditional currency into cryptocurrency, such as Ethereum (ETH), in the NFT market. This transaction is recorded on the blockchain as public information that is easily accessible to anyone who wants to view it. This ensures transparency and helps to prevent fraud in the NFT market.

Smart contracts are programs stored on the blockchain that allow NFT creators to stipulate the conditions of resale. For example, a creator could draft a smart contract that allows them to earn a 10% commission on any subsequent resales of their NFT. This allows creators to continue to benefit from the success of their work, even after the initial sale.

Smart contracts also facilitate secondary sales in the NFT market. When the value of an NFT increases, the smart contract associated with that NFT can automatically distribute any profits from the sale to the relevant parties, such as the creator or the NFT platform. For example, if the value of Tom Brady's Bored Ape NFT increased from $430k to $530k, the smart contract could automatically distribute the $100k profit to the Bored Ape Yacht Club, if that was stipulated in the contract.

This use of smart contracts helps to ensure that all parties are fairly compensated for their contributions to the NFT market, and it allows for efficient and transparent transactions without the need for intermediaries.

The Future Of Crypto-Art

Grammy-winning artist Tyler, the Creator recently questioned the value of NFTs, stating that most of the examples he has seen are not "beautiful art." While art is subjective and many NFTs are AI-generated, there are still many ways in which NFTs can offer value in the real world.

First, NFTs can be used to represent tangible experiences and achievements. Instead of framing a concert ticket or a season pass, these items could be represented as NFTs, allowing individuals to proudly display their experiences and achievements in the digital world. This could be especially beneficial for VIP experiences and exclusive memberships.

Second, NFTs can provide a level of authenticity and scarcity that cannot be achieved with physical items. This is especially useful for limited edition items and collectibles, which can be authenticated and traded easily on the blockchain.

Third, the use of smart contracts can ensure that all parties are fairly compensated for their contributions to the NFT market. This allows for transparent and efficient transactions without the need for intermediaries.

Overall, while some may dismiss NFTs as "silly little digital artworks," they have the potential to reshape not just the art world, but the world itself.

Build Smarter Crypto Apps &
AI Agents in Minutes, Not Months
Real-time prices, trading signals, and on-chain insights all from one powerful API.
Grab a Free API Key
Token Metrics Team
Token Metrics Team

Recent Posts

Research

How Crypto APIs Enable Automatic Trade Execution

Token Metrics Team
6
MIN

Imagine triggering a cryptocurrency trade in milliseconds—automatically, precisely, and on your schedule. Behind much of today’s algorithmic and automated crypto trading lies a powerful tool: the crypto API. But how exactly do APIs let you execute trades, and what are the fundamentals users need to understand before getting started? This guide unpacks the essentials of using crypto APIs for trade execution, including how these interfaces work, real-world applications, risks, and practical integration tips.

What Are Crypto Trading APIs?

APIs, or Application Programming Interfaces, are software intermediaries that enable different applications to communicate. In the context of cryptocurrencies, a crypto trading API allows users, developers, or institutions to connect directly to a crypto exchange’s backend systems. This connection makes it possible to request live data, place and manage orders, check balances, and retrieve trade history—all programmatically.

Common examples include Binance, Coinbase Pro, Kraken, and Bybit APIs, all of which support crucial trading functions. These APIs typically support REST (for single requests) and WebSocket (for real-time updates) protocols. API access levels and capabilities often depend on your account permissions and security settings at the exchange.

How Do You Execute Trades Using a Crypto API?

Executing trades via a crypto API requires a step-by-step process that generally includes:

  1. API Key Generation: Users generate API keys (and often API secrets) through their exchange account dashboard, configuring permissions such as trading and withdrawal rights.
  2. Authentication: Every API request must be securely authenticated, usually with the key/secret and sometimes additional security protocols like IP whitelisting.
  3. Order Placement: By sending properly formatted HTTP requests (e.g., POST /order) or WebSocket messages, users can initiate buy or sell orders. The API parameters define order type, price, amount, and other specifics.
  4. Order Management: Once placed, trades can be monitored, modified, or cancelled via subsequent API commands, allowing for dynamic strategy execution.

These automated processes underpin trading bots, portfolio managers, and sophisticated AI-driven trading agents—turning manual strategies into efficient, round-the-clock executions, all without a traditional front-end user interface.

Real-World Applications of Crypto API Trading

API-based trading is central to a variety of modern crypto workflows, powering:

  • Trading Bots: Automated systems that scan markets and react to pre-programmed signals, sometimes integrating machine learning for strategy optimization.
  • Portfolio Rebalancing: Programmatically adjusting crypto portfolios at set intervals or according to defined thresholds, minimizing manual intervention.
  • Arbitrage: Exploiting price differences between exchanges in real time, something only possible with split-second API commands.
  • Institutional Trading: Large desks and funds use APIs to execute high-frequency strategies, where speed and accuracy are paramount.
  • Custom Dashboards & Alerts: Developers create bespoke monitoring or trading tools that interact with exchange APIs for data, order placement, and notifications.

AI-powered platforms are increasingly integrating advanced analytics and signals directly into their API workflows, letting traders and developers access sophisticated research and data-driven triggers with minimal manual effort. Token Metrics is a notable example of a service blending advanced crypto analytics with API accessibility for builders and traders alike.

Security Best Practices for API-Based Trading

While crypto APIs are powerful, they also introduce unique security considerations:

  • Scope Permissions: Only enable required actions (e.g., trade, read-only) and never allow withdrawal permissions unless absolutely necessary.
  • IP Whitelisting: Restrict API access to only trusted IP addresses.
  • Key Management: Store API secrets securely, using encrypted environment variables or dedicated key management services.
  • Monitor Usage: Regularly audit API logs to identify unauthorized or suspicious activity promptly.
  • Rotate Keys: Periodically regenerate and update API keys and secrets as a precautionary measure.

Responsible API usage helps minimize exposure to hacking, credential leaks, or account abuse—especially as trading volumes and automation scale.

Getting Started with Crypto Trading APIs

To integrate and utilize a crypto trading API effectively:

  • Choose your exchange(s): Research exchanges supporting the required API features, such as order types, rate limits, and supported assets.
  • Read API Documentation: Exchange documentation details request formats, security practices, error handling, and best practices.
  • Code Your Integration: Use supported programming languages (such as Python, JavaScript, or Go) along with official SDKs or open-source libraries for streamlined development.
  • Simulate Before Going Live: Many APIs offer sandbox environments for testing. Confirm strategies perform as expected before deploying with real funds.
  • Consider Third-Party Tools: Analytics and trading signal providers, such as Token Metrics, offer APIs that can supplement exchange data with actionable insights for strategy development.

Building with APIs requires a combination of technical skills and operational caution, but unlocks the full potential of programmable trading in crypto markets.

Build Smarter Crypto Apps & AI Agents with Token Metrics

Token Metrics provides real-time prices, trading signals, and on-chain insights all from one powerful API. Grab a Free API Key

Can anyone use crypto trading APIs?

Most major crypto exchanges offer trading APIs accessible to users with verified accounts. However, each platform sets its own requirements regarding API access levels, regional restrictions, and compliance, which users should review before starting.

Are crypto trading APIs secure?

Crypto APIs are designed with robust security features, but safety also depends on user practices. Limiting API key permissions, restricting access via IP, and keeping keys private are essential for minimizing risks.

Can I automate trading strategies using APIs?

Yes, APIs are the main mechanism for building automated trading systems (bots) and integrating algorithmic trading strategies. This allows for uninterrupted operation and rapid reaction to market signals based on predefined logic.

What skills do I need to use crypto APIs?

At minimum, familiarity with programming (such as Python or JavaScript), API communication (HTTP/websocket), and basic security practices are required to use crypto APIs effectively and safely.

What are some common limits of crypto APIs?

Most APIs enforce rate limits to control the number of allowed requests within specific time frames. They may also restrict order types or trading pairs and require periodic re-authentication or API key refreshes.

Disclaimer

This article is for informational and educational purposes only. It does not provide investment advice or endorse specific assets, platforms, or trading strategies. Always perform your own research and consult with qualified professionals before making technical or financial decisions related to cryptocurrency trading or API integration.

Research

Mastering API Rate Limits: Strategies for Developers and Crypto Pros

Token Metrics Team
5
MIN

APIs power the data-driven revolution in crypto and beyond, but nothing derails innovation faster than hitting a rate limit at a critical moment. Whether you’re building trading bots, AI agents, portfolio dashboards, or research tools, understanding and managing API rate limits is essential for reliability and scalability.

What Are API Rate Limits?

Most API providers, especially in crypto, impose rate limits to protect their infrastructure and ensure fair resource usage among clients. A rate limit defines the maximum number of requests your app can make within a specific timeframe—say, 100 requests per minute or 10,000 per day. Exceeding these limits can result in errors, temporary bans, or even long-term blocks, making robust rate management not just a courtesy, but a necessity for uninterrupted access to data and services.

Why Do Crypto APIs Enforce Rate Limits?

The explosive growth of crypto markets and real-time analytics means data APIs face enormous loads. Providers implement rate limits for several key reasons:

  • Stability: Throttling prevents spikes that could crash servers or degrade performance for all users.
  • Fair Use: It ensures that no single client monopolizes resources, maintaining equal access for everyone.
  • Security: Rate limits help detect and mitigate misuse, such as DDoS attacks or automated scraping.

This is especially critical in crypto, where milliseconds count and data volumes can be extreme. Services like trading execution, real-time quotes, and on-chain analytics all rely on consistent API performance.

Detecting and Interpreting Rate Limit Errors

When your app exceeds rate limits, the API usually responds with a specific HTTP status code, such as 429 Too Many Requests or 403 Forbidden. Along with the status, APIs often return structured error messages detailing the violation, including which limit was breached and when new requests will be allowed.

Common fields and headers to look for:

  • X-RateLimit-Limit: the current quota
  • X-RateLimit-Remaining: requests left in the window
  • X-RateLimit-Reset: UNIX timestamp when quota resets

Proper error handling—such as parsing these headers and logging retry attempts—is the foundation for any robust API integration.

Best Practices for Handling API Rate Limits

Successfully managing API rate limits ensures both smooth user experiences and API provider goodwill. Here are essential best practices:

  1. Understand the Documentation: Review each API’s rate limit policy (per key, user, endpoint, IP, etc.), as these can vary significantly.
  2. Throttle Requests Client-Side: Build in logic to pace outbound traffic, using techniques like token bucket algorithms or leaky buckets to smooth bursty behavior.
  3. Implement Automated Backoff: If you hit a limit, respect the Retry-After or X-RateLimit-Reset values and back off request attempts accordingly.
  4. Aggregate Requests Smartly: Wherever possible, use batch endpoints or design your workflow to minimize redundant calls.
  5. Monitor Usage Analytics: Continuously track API consumption trends to anticipate bottlenecks or the need to request a higher quota.
  6. Graceful Error Handling: Use robust error handling to avoid cascading failures in your application in the event of limit breaches.

The combination of proactive client design and real-time monitoring is the best defense against hitting hard limits, whether you’re scaling a single app or orchestrating a fleet of decentralized AI agents.

Advanced Strategies for Developers and Quant Teams

As your infrastructure grows—handling multiple APIs, high-frequency trading signals, or deep analytics—you’ll need even more sophisticated approaches, such as:

  • Centralized Rate Limiters: Use middleware or reverse proxies (such as Redis-based limiters) to coordinate requests across servers and services.
  • Distributed Queuing: Implement job queues (RabbitMQ, Kafka, etc.) to control throughput at scale, balancing real-time needs against quota constraints.
  • Adaptive Algorithms: Employ dynamic algorithms that adjust polling rates based on remaining quota, market volatility, or business urgency.
  • API Key Rotation: For enterprise cases (where allowed), rotating across authorized keys can help balance traffic and stay within limits.
  • Rate Limit Forecasting: Use analytics and AI modeling to predict traffic bursts and optimize usage proactively—tools like Token Metrics can help analyze trends and automate parts of this process.

Planning for scalability, reliability, and compliance with provider guidelines ensures you remain agile as your crypto project or trading operation matures.

Build Smarter Crypto Apps & AI Agents with Token Metrics

Token Metrics provides real-time prices, trading signals, and on-chain insights all from one powerful API. Grab a Free API Key

FAQ: What Happens If I Exceed an API Rate Limit?

Exceeding rate limits typically results in HTTP 429 errors and temporary suspension of requests. Many APIs automatically block requests until your quota resets, so continual violation may lead to longer blocks or even account suspension. Always refer to your provider’s documentation for specifics.

FAQ: How Can I Check My Current API Usage?

Most APIs include custom headers in responses detailing your remaining quota, usage window, and reset times. Some services offer dashboards to monitor usage statistics and set up alerts for approaching quota boundaries.

FAQ: Can I Request a Higher API Rate Limit?

Many API providers, especially paid plans or partners, allow you to request increased quotas. This process often involves contacting support, outlining your use case, and justifying why higher limits are needed.

FAQ: Which Crypto APIs Have Generous Rate Limits?

Rate limits vary widely by provider. Well-established platforms like Token Metrics, Binance, and CoinGecko balance fair access with high-performance quotas—always compare tiers and read docs to see which fits your scale and usage needs.

FAQ: How Does Rate Limiting Affect AI and ML Applications?

For AI/ML models reliant on real-time data (e.g., trading bots, sentiment analysis), rate limiting shapes data availability and latency. Careful scheduling, data caching, and quota awareness are key to model reliability in production environments.

Disclaimer

This content is for educational and informational purposes only. It does not constitute investment, legal, or financial advice of any kind. Crypto services and APIs are subject to provider terms and legal compliance requirements. Readers should independently verify policies and consult professionals as necessary before integrating APIs or automated solutions.

Research

Understanding Public vs Private Crypto APIs: Key Differences Explained

Token Metrics Team
5
MIN

APIs power much of the innovation in the crypto space, but developers and analysts often face a key technical crossroads: Should you use a public or a private crypto API? Each API type serves different use cases and comes with its own set of advantages, limitations, and security requirements. Understanding these differences is critical for building effective crypto platforms, bots, and research tools.

What Are Crypto APIs?

Crypto APIs (Application Programming Interfaces) are sets of rules that let software applications interact with blockchain data, exchanges, wallets, or analytical tools. APIs bring order to a decentralized landscape, making it possible to access real-time prices, submit transactions, retrieve on-chain activity, or gather analytics—often without manually interacting with the blockchain itself.

There are two primary categories of crypto APIs:

  • Public APIs – Open, broadly accessible interfaces providing non-sensitive data or public blockchain information.
  • Private APIs – Restricted endpoints requiring authentication and permissions, allowing access to user-specific or sensitive operations.

But how do these two categories truly differ, and why does it matter for crypto application development and data consumption?

Public Crypto APIs: Open Access to Blockchain Data

Public crypto APIs typically provide access to information that is either non-sensitive or already visible on public blockchains. Examples include:

  • Market prices and trading volume
  • Blockchain explorer data (transactions, blocks, network statistics)
  • Token metadata and listings
  • General protocol or exchange status

Key traits of public APIs:

  • No login required: Most public APIs are accessible without authentication, although rate limits may be enforced to prevent abuse.
  • Great for data feeds: Ideal for researchers, portfolio trackers, or analytics dashboards needing large-scale, up-to-date datasets.
  • Limited functionality: Public APIs do not let you interact with personal accounts, make trades, or perform actions that expose user data.

For instance, if you want to build a website displaying the latest Bitcoin price or trending DeFi projects, you’d usually rely on public crypto APIs.

Private Crypto APIs: Secure, Authenticated Endpoints

Private crypto APIs open the door to more sensitive and powerful functionality, but require strict controls. They are generally used for:

  • Accessing user-specific account balances
  • Placing, modifying, or cancelling trades on an exchange
  • Transferring funds or managing API keys
  • Retrieving private analytics, custom watchlists, or signals

Key characteristics include:

  • Authentication required: Commonly via API keys, OAuth tokens, or signatures. This protects user data and controls access.
  • Security and privacy orientations: Implemented with strict rate limiting, encryption in transit, and granular permissions.
  • Risk of exposure: Poorly managed private keys or API credentials can lead to loss of control over accounts or assets.

Developers building personal portfolio management tools, automated trading bots, or custodial dashboards integrate private crypto APIs to enable a customized, authenticated user experience.

Key Differences: Public vs Private Crypto APIs

Understanding the distinctions helps teams design more robust crypto products:

  • Access & Security: Public APIs are low-risk and have minimal restrictions, whereas private APIs can expose user or financial data if mishandled.
  • Rate Limiting: Public APIs have moderate limits to ensure fair usage, while private endpoints often get higher quotas based on trust and verification.
  • Functional Scope: Public endpoints only relay general data; private endpoints enable actionable operations like trading or transferring assets.
  • Use Case Alignment: Public APIs suit real-time charts, analytics, and research, while private APIs drive account-specific dashboards, bots, and custom integrations.

The choice often comes down to your project requirements: If you just need publicly available blockchain data or market feeds, public APIs suffice. If your solution needs to modify user data or interact on behalf of a user, private APIs with strong authentication are mandatory.

Choosing the Right API for Secure Crypto Development

Several factors help determine whether a public or private crypto API is appropriate:

  1. Data Sensitivity: Is the data or action user-specific or can it be safely shared with the public?
  2. Application Purpose: Are you building an analytics dashboard (public API) or a trading bot (private API)?
  3. Security Posture: Does your team have processes for securely storing and rotating API keys?
  4. API Provider Reputation: Evaluate available documentation, historical uptime, and support—especially with private APIs.

Following best practices for handling API credentials—such as storing secrets off-chain, using environment variables, and enforcing minimal permission scopes—can greatly reduce risk.

Build Smarter Crypto Apps & AI Agents with Token Metrics

Token Metrics provides real-time prices, trading signals, and on-chain insights all from one powerful API. Grab a Free API Key

Frequently Asked Questions: Public vs Private Crypto APIs

What can I build with public crypto APIs?

Public crypto APIs help developers launch apps like price tickers, market dashboards, blockchain explorers, and analytics tools that require broadly accessible, non-sensitive data. They are ideal for gathering real-time feeds or tracking on-chain activity without user authentication.

How do private crypto APIs handle security?

Private crypto APIs protect endpoints with authentication mechanisms like API keys, OAuth, or digital signatures. This ensures only authorized clients can fetch sensitive information or perform actions like trading or withdrawals. API providers also employ rate limits and monitor usage for suspicious behavior.

Are rate limits different for public vs private APIs?

Yes. Public APIs often have stricter rate limits to prevent abuse, since anyone can access them. Private API users, once authenticated, may receive higher quotas, prioritizing account-specific operations.

What are the risks of using private API keys in crypto?

Exposed, leaked, or improperly stored private API keys can allow malicious actors to access accounts, make unauthorized trades, or withdraw funds. Always use environment variables, restrict permissions, and rotate keys periodically.

How do I choose the best crypto API provider?

Look for reliability, comprehensive documentation, secure authentication, supportive developer communities, and transparent pricing. Solutions like Token Metrics combine robust data coverage and AI-powered insights for flexible crypto app development.

Disclaimer

This article is for informational purposes only and does not constitute financial or investment advice. Always perform your own research and implement strong security practices when developing crypto applications or integrating APIs.

Choose from Platinum, Gold, and Silver packages
Reach with 25–30% open rates and 0.5–1% CTR
Craft your own custom ad—from banners to tailored copy
Perfect for Crypto Exchanges, SaaS Tools, DeFi, and AI Products