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.

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Mastering Google Maps API: A Practical Developer Guide

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Location data powers modern products: discovery, logistics, analytics, and personalized experiences all lean on accurate mapping services. The Google Maps API suite is one of the most feature-rich options for embedding maps, geocoding addresses, routing vehicles, and enriching UX with Places and Street View. This guide breaks the platform down into practical sections—what each API does, how to get started securely, design patterns to control costs and latency, and where AI can add value.

Overview: What the Google Maps API Suite Provides

The Maps Platform is modular: you enable only the APIs and SDKs your project requires. Key components include:

  • Maps JavaScript API — interactive web maps, custom markers, overlays, styling, and event hooks for client-side experiences.
  • Maps SDKs for Android & iOS — native map views, offline handling patterns, and performance controls on mobile devices.
  • Places API — POI lookup, autocomplete, place details, and user-generated content such as reviews and photos.
  • Geocoding & Reverse Geocoding — translate addresses to coordinates and back; useful for onboarding, search, and analytics.
  • Directions & Distance Matrix — routing, multi-stop optimization, travel time estimates, and matrix computations for fleet logistics.
  • Street View & Static Maps — embed photographic context or low-overhead map images for thumbnails and emails.

Each API exposes different latency, quota, and billing characteristics. Plan around the functional needs (display vs. heavy batch geocoding vs. real-time routing).

Getting Started: Keys, Enabling APIs, and Security

Begin in the Google Cloud Console: create or select a project, enable the specific Maps Platform APIs your app requires, and generate an API key. Key operational steps:

  • Restrict keys by HTTP referrer (web), package name + SHA-1 (Android), or bundle ID (iOS) to limit abuse.
  • Use separate keys for development, staging, and production to isolate usage and credentials.
  • Prefer server-side calls for sensitive operations (batch geocoding, billing-heavy tasks) where you can protect API secrets and implement caching.
  • Monitor quotas and set alerts in Cloud Monitoring to detect anomalies quickly.

Authentication and identity management are foundational—wider access means higher risk of unexpected charges and data leakage.

Design Patterns & Best Practices

Successful integrations optimize performance, cost, and reliability. Consider these patterns:

  • Client vs. Server responsibilities: Use client-side map rendering for interactivity, but delegate heavy or billable tasks (bulk geocoding, route computations) to server-side processes.
  • Cache geocoding results where addresses are stable. This reduces repeat requests and lowers bills.
  • Use Static Maps for thumbnails instead of full interactive maps when you need small images in lists or emails.
  • Handle rate limits gracefully by implementing exponential backoff and queuing to avoid throttling spikes.
  • Map styling & lazy loading keep initial payloads light; load map tiles or libraries on user interaction to improve perceived performance.
  • Privacy-first design: minimize retention of precise location data unless required, and document retention policies for compliance.

Pricing, Quotas & Cost Management

The Maps Platform uses a pay-as-you-go model with billing tied to API calls, SDK sessions, or map loads depending on the product. To control costs:

  • Audit which APIs are enabled and remove unused ones.
  • Implement caching layers for geocoding and place lookups.
  • Prefer batch jobs outside peak hours and consolidate requests server-side when possible.
  • Set programmatic alerts for unexpected usage spikes and daily budget caps to avoid surprises.

Budgeting requires monitoring real usage patterns and aligning product behavior (e.g., map refresh frequency) with cost objectives.

Use Cases & AI Integration

Combining location APIs with machine learning unlocks advanced features: predictive ETA models, demand heatmaps, intelligent geofencing, and dynamic routing that accounts for historic traffic patterns. AI models can also enrich POI categorization from Places API results or prioritize search results based on user intent.

For teams focused on research and signals, AI-driven analytical tools can help surface patterns from large location datasets, cluster user behavior, and integrate external data feeds for richer context. Tools built for crypto and on-chain analytics illustrate how API-driven datasets can be paired with models to create actionable insights in other domains—similarly, map and location data benefit from model-driven enrichment that remains explainable and auditable.

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Is the Google Maps API free to use?

Google offers a free usage tier and a recurring monthly credit for Maps Platform customers. Beyond the free allocation, usage is billed based on API calls, map loads, or SDK sessions. Monitor your project billing and set alerts to avoid unexpected charges.

Which Maps API should I use for address autocomplete?

The Places API provides address and place autocomplete features tailored for UX-focused address entry. For server-side address validation or bulk geocoding, pair it with Geocoding APIs and implement server-side caching.

How do I secure my API key?

Apply application restrictions (HTTP referrers for web, package name & SHA-1 for Android, bundle ID for iOS) and limit the key to only the required APIs. Rotate keys periodically and keep production keys out of client-side source control when possible.

Can I use Google Maps API for heavy routing and fleet optimization?

Yes—the Directions and Distance Matrix APIs support routing and travel-time estimates. For large-scale fleet optimization, consider server-side batching, rate-limit handling, and hybrid solutions that combine routing APIs with custom optimization logic to manage complexity and cost.

What are common pitfalls when integrating maps?

Common issues include unbounded API keys, lack of caching for geocoding, excessive map refreshes that drive costs, and neglecting offline/mobile behavior. Planning for quotas, testing under realistic loads, and instrumenting telemetry mitigates these pitfalls.

Disclaimer

This article is for educational and technical information only. It does not constitute financial, legal, or professional advice. Evaluate features, quotas, and pricing on official Google documentation and consult appropriate professionals for specific decisions.

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Mastering Discord Integrations: API Essentials

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Discord's API is the backbone of modern community automation, moderation, and integrations. Whether you're building a utility bot, connecting an AI assistant, or streaming notifications from external systems, understanding the Discord API's architecture, constraints, and best practices helps you design reliable, secure integrations that scale.

Overview: What the Discord API Provides

The Discord API exposes two main interfaces: the Gateway (a persistent WebSocket) for real-time events and the REST API for one-off requests such as creating messages, managing channels, and configuring permissions. Together they let developers build bots and services that respond to user actions, post updates, and manage server state.

Key concepts to keep in mind:

  • Gateway (WebSocket): Streams events like messages, reactions, and presence updates. It's designed for low-latency, event-driven behavior.
  • REST API: Handles CRUD operations and configuration changes. Rate limits apply per route and globally.
  • OAuth2: Used to authorize bots and request application-level scopes for users and servers.
  • Intents: Selective event subscriptions that limit the data your bot receives for privacy and efficiency.

Authentication, Bot Accounts, and Intents

Authentication is based on tokens. Bots use a bot token (issued in the Discord Developer Portal) to authenticate both the Gateway and REST calls. When building or auditing a bot, treat tokens like secrets: rotate them when exposed and store them securely in environment variables or a secrets manager.

Intents let you opt-in to categories of events. For example, message content intent is required to read message text in many cases. Use the principle of least privilege: request only the intents you need to reduce data exposure and improve performance.

Practical steps:

  1. Register your application in the Developer Portal and create a bot user.
  2. Set up OAuth2 scopes (bot, applications.commands) and generate an install link.
  3. Enable required intents and test locally with a development server before wide deployment.

Rate Limits, Error Handling, and Scaling

Rate limits are enforced per route and per global bucket. Familiarize yourself with the headers returned by the REST API (X-RateLimit-Limit, X-RateLimit-Remaining, X-RateLimit-Reset) and adopt respectful retry strategies. For Gateway connections, avoid rapid reconnects; follow exponential backoff and obey the recommended identify rate limits.

Design patterns to improve resilience:

  • Rate-limit-aware clients: Use libraries or middleware that queue and throttle REST requests based on returned headers.
  • Idempotency: For critical actions, implement idempotent operations to safely retry failed requests.
  • Sharding: For large bots serving many servers, shard the Gateway connection to distribute event load across processes or machines.
  • Monitoring & alerting: Track error rates, latency, and reconnect frequency to detect regressions early.

Webhooks, Interactions, and Slash Commands

Webhooks are lightweight for sending messages into channels without a bot token and are excellent for notifications from external systems. Interactions and slash commands provide structured, discoverable commands that integrate naturally into the Discord UI.

Best practices when using webhooks and interactions:

  • Validate inbound interaction payloads using the public key provided by Discord.
  • Use ephemeral responses for sensitive command outputs to avoid persistent exposure.
  • Prefer slash commands for user-triggered workflows because they offer parameter validation and autocomplete.

Security, Compliance, and Privacy Considerations

Security goes beyond token handling. Consider these areas:

  • Permission hygiene: Grant the minimum permission set and use scoped OAuth2 invites.
  • Data minimization: Persist only necessary user data, and document retention policies.
  • Encryption & secrets: Store tokens and credentials in secret stores and avoid logging sensitive fields.
  • Third-party integrations: Vet external services you connect; restrict webhook targets and audit access periodically.

Integrating AI and External APIs

Combining Discord bots with AI or external data APIs can produce helpful automation, moderation aids, or analytics dashboards. When integrating, separate concerns: keep the Discord-facing layer thin and stateless where possible, and offload heavy processing to dedicated services.

For crypto- and market-focused integrations, external APIs can supply price feeds, on-chain indicators, and signals which your bot can surface to users. AI-driven research platforms such as Token Metrics can augment analysis by providing structured ratings and on-chain insights that your integration can query programmatically.

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FAQ: How do I start building a bot?

Begin by creating an application in the Discord Developer Portal, add a bot user, and generate a bot token. Choose a client library (for example discord.js, discord.py alternatives) to handle Gateway and REST interactions. Test in a private server before inviting to production servers.

FAQ: What are Gateway intents and when should I enable them?

Intents are event categories that determine which events the Gateway will send to your bot. Enable only the intents your features require. Some intents, like message content, are privileged and require justification for larger bots or those in many servers.

FAQ: How can I avoid hitting rate limits?

Respect rate-limit headers, use client libraries that implement request queues, batch operations when possible, and shard your bot appropriately. Implement exponential backoff for retries and monitor request patterns to identify hotspots.

FAQ: Are webhooks better than bots for notifications?

Webhooks are simpler for sending messages from external systems because they don't require a bot token and have a low setup cost. Bots are required for interactive features, slash commands, moderation, and actions that require user-like behavior.

FAQ: How do I secure incoming interaction requests?

Validate interaction signatures using Discord's public key. Verify timestamps to prevent replay attacks and ensure your endpoint only accepts expected request types. Keep validation code in middleware for consistency.

Disclaimer

This article is educational and technical in nature. It does not provide investment, legal, or financial advice. Implementations described here focus on software architecture, integration patterns, and security practices; adapt them to your own requirements and compliance obligations.

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API Explained: What 'API' Stands For & How It Works

Token Metrics Team
5
MIN

APIs power much of the software and services we use every day, but the acronym itself can seem abstract to newcomers. This guide answers the simple question "what does API stand for," explains the main types and patterns, and shows how developers, analysts, and researchers use APIs—especially in data-rich fields like crypto and AI—to access information and automate workflows.

What does API stand for and a practical definition

API stands for Application Programming Interface. In practice, an API is a set of rules and protocols that lets one software component request services or data from another. It defines how requests should be formatted, what endpoints are available, what data types are returned, and which authentication methods are required.

Think of an API as a contract between systems: the provider exposes functionality or data, and the consumer calls that functionality using an agreed syntax. This contract enables interoperability across languages, platforms, and teams without sharing internal implementation details.

Common API types and architectural styles

APIs come in several flavors depending on purpose and architecture. Understanding these helps you choose the right integration approach:

  • REST (Representational State Transfer): The most widespread style for web APIs. Uses HTTP methods (GET, POST, PUT, DELETE) and typically exchanges JSON. REST is stateless and often organized around resources.
  • GraphQL: A query language and runtime that allows clients to request precisely the data they need in a single request. Useful when clients require flexible access patterns.
  • gRPC: A high-performance RPC framework using protocol buffers. Favored for low-latency internal services.
  • WebSocket and Streaming APIs: For real-time, bidirectional data flows such as live price feeds or telemetry.
  • Library/SDK APIs: Language-specific interfaces that wrap lower-level HTTP calls into idiomatic functions.

In domains like crypto, API types often include REST endpoints for historical data, WebSocket endpoints for live market updates, and specialized endpoints for on-chain data and analytics.

How APIs are used: workflows and practical examples

APIs unlock automation and integration across many workflows. Typical examples include:

  • Data pipelines: scheduled API pulls ingested into analytics systems or data warehouses.
  • Automation: triggering events, notifications, or trades from software agents (when permitted by policy and regulation).
  • Embedding functionality: maps, payment processing, or identity services added to products without rebuilding them.
  • AI and model inputs: APIs provide training and inference data streams for models, or let models query external knowledge.

For researchers and developers in crypto and AI, APIs enable programmatic access to prices, on-chain metrics, and model outputs. Tools that combine multiple data sources through APIs can accelerate analysis while maintaining reproducibility.

Security, rate limits, and best-practice design

APIs must be designed with security and reliability in mind. Key considerations include:

  • Authentication and authorization: API keys, OAuth, and signed requests limit access and define permissions.
  • Rate limiting: Prevents abuse and ensures fair usage across clients; consumers should implement exponential backoff and caching.
  • Input validation and error handling: Clear error codes and messages make integrations robust and diagnosable.
  • Versioning: Maintain compatibility for existing users while enabling iterative improvements.

Designing or choosing APIs with clear documentation, sandbox environments, and predictable SLAs reduces integration friction and downstream maintenance effort.

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FAQ: Common questions about APIs

What does API stand for?

API stands for Application Programming Interface. It is a defined set of rules that enables software to communicate and exchange data or functionality with other software components.

How does an API differ from a library or SDK?

An API is a specification for interaction; a library or SDK is an implementation that exposes an API in a specific programming language. Libraries call APIs internally or provide convenience wrappers for API calls.

When should I use REST vs GraphQL?

Use REST for simple, resource-oriented endpoints and predictable cacheable interactions. Use GraphQL when clients require flexible, tailored queries and want to minimize round trips for composite data needs.

How do rate limits affect integrations?

Rate limits cap how many requests a client can make in a given period. Respecting limits with caching and backoff logic prevents service disruption and helps maintain reliable access.

Can APIs provide real-time data for AI models?

Yes. Streaming and WebSocket APIs can deliver low-latency data feeds that serve as inputs to real-time models, while REST endpoints supply bulk or historical datasets used for training and backtesting.

What tools help manage multiple API sources?

Integration platforms, API gateways, and orchestration tools manage authentication, rate limiting, retries, and transformations. For crypto and AI workflows, data aggregation services and programmatic APIs speed analysis.

How can I discover high-quality crypto APIs?

Evaluate documentation, uptime reports, data coverage, authentication methods, and community usage. Platforms that combine market, on-chain, and research signals are especially useful for analytical workflows.

Where can I learn more about API best practices?

Official style guides, API design books, and public documentation from major providers (Google, GitHub, Stripe) offer practical patterns for versioning, security, and documentation.

Disclaimer: This article is educational and informational only. It does not constitute financial, legal, or investment advice. Readers should perform independent research and consult appropriate professionals for their specific needs.

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