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NFTs Explained: What Are Non-Fungible Tokens?

A definitive guide to explain NFTs, or non-fungible tokens.
Token Metrics Team
7 minutes
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NFTs, or non-fungible tokens, are gaining widespread popularity in the market for digital art and collectibles. In recent years, NFTs have become a cultural phenomenon, attracting the attention of crypto enthusiasts, digital art creators, and celebrities alike. As the Web 3.0 ecosystem continues to grow and adoption increases, many believe that NFTs will play a key role in the ownership of assets online.

So what are NFTs? Let's find out.

‍NFT Basics

NFTs, or non-fungible tokens, are a type of digital asset that represents ownership of something on the blockchain.

NFTs can be anything such as art, collectibles, music, profile pictures or PFP, DAO memberships, event tickets, gaming assets, virtual land, domain names, and so on. They can represent either completely digital assets or tokenized versions of assets that exist in the real world. Currently, there is a lot of excitement around using NFTs to sell virtual art.

Characteristics of NFTs

  • Ownership: NFT represents digital ownership of an item on a blockchain
  • Permanent: NFTs have data permanently stored within the token. This information includes images, messages, signatures, or any other data
  • Programmable: An NFT can be programmed to do anything. For example, an NFT artwork might be programmed to pay the artist royalties on every secondary sale of that artwork
  • Unique: NFTs are unique, and that uniqueness can be confirmed on a blockchain

How to Make an NFT

To create an NFT, or non-fungible token, you will need to first prepare your media file. NFTs can support a wide range of file types, including audio, images, and even 3D files. Some popular file types that are supported by NFTs include MP3, JPG, PNG, and GIF. You can also use 3D file formats like GLB to create NFTs that represent unique, digital objects.

Once your media is ready, you will need to set up a non-custodial wallet to securely store the cryptocurrency that you will use to buy, sell, and create NFTs. Non-custodial wallets are important because they allow you to retain control of your private keys, which are needed to access your cryptocurrency and make transactions. There are many different wallet options available, so it is important to do your research and choose one that is secure and user-friendly.

Once you have set up your wallet, you will need to buy Ethereum, or other fungible tokens depending on the blockchain being used, to cover the cost of minting your NFT. Ethereum is the most commonly used blockchain for NFTs, and it is typically the easiest to get started with. You can buy Ethereum using a variety of methods, including through a cryptocurrency exchange or from other individuals who are willing to sell.

Once you have your Ethereum, you will need to connect your wallet to an NFT marketplace like Rarible or OpenSea. These platforms allow you to easily create and mint your NFT, as well as trade and purchase NFTs created by others. To connect your wallet, simply tap the "Connect" button in the top right corner of the marketplace's website. This will create an account for you on the platform and allow you to begin creating your NFT.

To create your NFT, upload your media file to the platform and provide a description of your asset. You can choose to create a standalone piece, or create multiple NFTs of the same piece, each with its own unique characteristics. You can also set rules around royalties and other aspects of your NFT to ensure that you are fairly compensated for your work.

Once you are ready to mint your NFT, the process will require you to pay a small amount of ETH for transaction fees. This is necessary to get your NFT added to the blockchain and verified as unique. Once your NFT is minted, it will be available for trade and purchase on the marketplace. You can monitor the progress of your NFT and track its sales through your wallet or the marketplace's website.

NFT Secondary Markets

Creators make NFTs using blockchain-based minting platforms to retain more control over their creative output. Once NFTs are minted on a non-custodial wallet-compatible website, collectors and traders can sell these assets on the secondary market.

Here is a list of the most used NFT marketplaces:

  • OpenSea: OpenSea is the first and largest marketplace for NFTs. OpenSea is building tools that allow consumers to trade their items, creators to launch new digital works, and developers to build rich, integrated marketplaces for their digital items. It recently announced the support for Solana-based NFTs.
  • Coinbase NFT: Coinbase, a cryptocurrency exchange, recently launched its NFT marketplace in beta version to the public. This marketplace acts as a social media platform in which users can not only buy and sell NFTs but also interact with and showcase their collections using user profiles, likes, and comments.
  • Solanart: Solanart is the first and largest fully-fledged NFT marketplace on Solana. Users can get quick and easy access to digital collectibles, and explore, buy, and sell NFTs that run on the Solana blockchain.
  • Rarible: Rarible is a do-it-yourself NFT marketplace where you can mint NFTs when and how you please. Creators are highly favorable towards Rarible, as the minting process is free, easy, and unrestricted. Rarible’s native governance token “RARI” is used to incentivize platform users and give the community members a voice.
  • Nifty Gateway: Nifty Gateway is owned by the Gemini crypto exchange and has become one of the most known NFT marketplaces lately. They focus on viral drops from artists like Beeple, Trevor Jones, Pak, and more.
  • SuperRare: SuperRare (SR) is one of Ethereum’s debut crypto-art NFT marketplaces. Artists must be accepted to the platform before they can list their assets.

Notable NFT Projects

NFT-based companies have seen significant growth in recent years. Some notable examples include:

  • Yuga Labs: a blockchain technology company that creates Ethereum-based NFTs and digital collectibles. Yuga's most valuable NFT collection is Bored Ape Yacht Club, which has seen a floor price of over 150 ETH at its all-time high. In addition to apes, Yuga has also created dog NFTs, mutant apes, and deeds for its Metaverse. The company recently acquired Larva Labs, bringing high-value projects like Cryptopunks and Meebits under the Yuga brand. Yuga is backed by investors like Coinbase, Samsung, and Mark Cuban.
  • Doodles: a collection of 10,000 Ethereum-based NFTs created by artist BurntToast. The Doodles collection includes a wide range of visual traits, heads, costumes, and colorways. Owners of Doodles NFTs have exclusive access to new experiences like Space Doodles and Dooplicator.
  • Okay Bears: a collection of 10,000 Solana-based NFTs. Ownership of an Okay Bear grants access to a community of collectors and exclusive products, merchandise, and events.

Investing in NFTs

NFTs, or non-fungible tokens, provide many benefits as an investment vehicle.

One of the main advantages of NFTs is that they allow physical objects, such as artwork, to be tokenized.

Additionally, NFTs offer greater liquidity for investors, making it easier to trade and sell their assets.

The Future of NFTs

NFTs offer a new way to represent and prove ownership of assets on the blockchain.

This technology has already been used for digital art, collectibles, and in-game assets, but it has the potential to be applied to a wide range of other industries as well. For example, tokenized real estate could provide a way for people to invest in property without the barriers to entry that currently exist.

High-end fashion brands like Louis Vuitton have also expressed interest in using NFTs to track the ownership of luxury items.

Additionally, NFTs can be used to tokenize certifications, degrees, and licenses, providing a way to securely track and maintain this sensitive data on the blockchain.

Overall, the potential applications for NFTs are nearly limitless.

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Recent Posts

Research

Crypto Indices - See What You Own: Holdings Treemap, Table, and Transactions Log (2025)

Token Metrics Team
5

If you’ve ever bought a “basket” of coins and then wondered what you actually hold, you’re not alone. The Token Metrics Global 100 solves that by pairing a rules-based strategy with radical visibility: an interactive holdings treemap, sortable table, and a real-time transactions log—so you can see what you own at all times. This transparency sits on top of a simple idea: a top-100 crypto index when markets are bullish and stablecoins when they’re not, with weekly rebalancing and one-click buy at launch. The result is clarity for hands-off allocators and discipline for active traders—without spreadsheets or manual rebalances.

→ Join the waitlist to be first to trade TM Global 100.

Why Transparency Matters in October 2025

Today’s crypto investor expects more than a chart and a headline weight. You want to audit your index: which coins, what size, and what changed after each rebalance. That’s exactly why we ship three visibility layers on day one: Gauge → Treemap → Transactions Log—plus a classic holdings table for power users.

In practical terms, a holdings treemap shows proportional weights at a glance, a table lets you sort and export details, and a transactions log chronicles every add/trim/exit during rebalances and regime switches. Together, they answer the search intent behind “crypto index holdings” and “weekly rebalancing” with an immediately scannable source of truth.

How the TM Global 100 Index Works (Plain English)

  • Regime switching: When our market signal is bullish, the index holds the top 100 assets by market cap. When bearish, it exits to stablecoins and waits for a re-entry signal.
  • Weekly rebalancing: We adjust constituents and weights weekly to reflect updated rankings—so the index stays aligned with the market.
  • Transparency: You’ll see a Strategy modal (rules at a glance), a market signal gauge, an interactive Holdings treemap & table, and a Transactions log that records rebalances and regime shifts.

What you’ll see on launch: A price tile, “tokens: 100,” “rebalances weekly,” and a Buy Index flow that can complete in about 90 seconds, end-to-end.

See the strategy and rules. (TM Global 100 strategy)

Benefits at a Glance (Why This Beats DIY)

  • Time saved: Skip ranking lists, manual screeners, and cross-exchange rebalances.
  • Lower execution drag: A single indexed flow helps reduce the slippage and fees you’d pay hopping between many tokens.
  • No missed cycles: Weekly rebalances help capture changes in the top-100 while the regime switch avoids guesswork when markets turn.
  • Full visibility: Treemap + table + transactions let you see exactly what changed and why—no black boxes.
  • Rules over vibes: A consistent methodology can reduce emotional decisions during drawdowns and market euphoria.

Step-by-Step: How to Get Early Access (Waitlist)

  1. Open the Indices hub and select TM Global 100. (Token Metrics Indices hub)
  2. Join the waitlist with your email to get launch-day access and updates.
  3. (Optional) Connect your wallet so you’re ready to buy at launch.
  4. On launch: Open TM Global 100, review the Gauge → Treemap → Transactions, and tap Buy Index.
  5. Confirm the buy: You’ll see estimates for fees/slippage and the current token mix.
  6. Track your position: Your holdings and every rebalance appear in My Indices and the Transactions Log.

→ Join the waitlist to be first to trade TM Global 100.

Decision Guide: Is This Right for You?

  • Hands-Off Allocator: Want “own the market” exposure and automatic upkeep. Consider if you dislike micromanaging.
  • Active Trader: Want a disciplined core that moves to stablecoins in bears while you take satellite bets elsewhere.
  • TM Member/Prospect: Already trust Token Metrics research and want rules-based execution with full visibility.
  • Starter Portfolio Builder: Prefer a single decision over 20+ token buys and periodic DIY reweights.
  • Transparency Seeker: You won’t tolerate black-box products; you want a real transactions log and holdings you can audit.
  • Tax-Aware Rebalancer: You’d rather not run frequent piecemeal trades yourself.
  • Mobile-First User: Want a fast, on-page buy flow instead of tab-hopping across venues.
  • Analytics Fan: Enjoy comparing weights and changes in the treemap after each weekly rebalance.

FAQs

What is a crypto index with a holdings treemap?

It’s a rules-based basket of cryptocurrencies where you can visually inspect weights via an interactive treemap, alongside a sortable table and a transactions log that records every rebalance and regime switch.

It’s a rules-based basket of cryptocurrencies where you can visually inspect weights via an interactive treemap, alongside a sortable table and a transactions log that records every rebalance and regime switch.

Weekly. Rebalances update constituents/weights to reflect current top-100 rankings; separate regime switches can also move the portfolio between tokens and stablecoins when the market signal changes.

What triggers the move to stablecoins?

A proprietary market signal. When bearish, the index exits tokens to stablecoins; when bullish resumes, it re-enters the top-100 basket.

Can I fund with USDC or fiat?

At launch, funding/settlement options surface based on your connected wallet and supported chains. USDC payout is supported on selling; fiat on-ramps may be added later.

Is the wallet custodial?

No. The embedded wallet is self-custodial—you control your funds.

How are fees shown?

Before you confirm, the buy flow surfaces estimated gas, platform fee, max slippage, and min expected value.

How do I join the waitlist?

Open the Indices hub, navigate to TM Global 100, and add your email. You’ll be notified on launch with a direct link to buy.

Security, Risk & Transparency

  • Self-custody: Embedded smart wallet with user control.
  • Operational clarity: Weekly rebalances; regime logic documented in the Strategy modal.
  • Fee & slippage preview: All surfaced before you confirm a trade.
  • Data integrity: Holdings treemap + table and transactions log reflect each executed change.

Regional notes: Availability and on-ramps can vary by jurisdiction. Crypto is volatile and can lose value. Past performance is not indicative of future results. This article is for research/education, not financial advice.

Conclusion

Token Metrics Global 100 is built for investors who want broad market exposure and the receipts to prove what they hold—treemap, table, and transactions on every rebalance. If you value rules, discipline, and transparency, join the waitlist and be ready on launch day.

Click here to get early access to Token Metrics indices.

Research

Crypto Index vs DIY Basket: Time, Slippage, and Missed Rebalances (2025)

Token Metrics Team
5

Building your own crypto basket sounds simple—until you’re juggling 10–50 tickers, spreadsheets, rebalance rules, spreads across chains, and the constant fear of missing regime turns. A crypto index removes that manual grind: TM Global 100 holds the top 100 assets when the market is bullish and moves fully to stablecoins when it’s not, with weekly rebalancing and full transparency of holdings and transactions. One click to buy, zero maintenance to keep up.

→ Join the waitlist to be first to trade TM Global 100.

Why Indices Matters in October 2025

In 2025, time and execution quality are alpha. Manually maintaining a DIY basket multiplies complexity: fragmented liquidity, multiple wallets, chain fees, and coordination across exchanges—all while markets move. A rules-based index compresses that overhead into a single, auditable product with pre-declared logic and scheduled upkeep.

Definition (snippet-ready): A crypto index is a rules-based basket of digital assets that rebalances on a set schedule and/or when market conditions change, so you don’t have to micromanage individual coins.

Traders searching “DIY crypto basket,” “regime switching,” or “weekly rebalancing” usually want one thing: broad exposure without the constant maintenance and the regret of missed rebalances. That’s the exact problem Token Metrics Global 100 addresses with weekly updates and regime switching to stablecoins when signals turn bearish.

How the TM Global 100 Index Works (Plain English)

  • Regime switching: When signals are bullish, the index holds the top 100 by market cap; when bearish, it exits fully to stablecoins to wait for re-entry.
  • Weekly rebalancing: Aligns weights and constituents with updated rankings; regime changes can also trigger full portfolio shifts.
  • Transparency: Strategy modal explains selection & rebalancing rules; Holdings show a treemap/table; Index Transactions log all changes.

What you’ll see on launch: Price tile, signal gauge, tokens=100, “rebalances weekly,” contract address, and a Buy Index button with a ~90-second live demo flow showcased in launch content.

→ See the strategy and rules. (TM Global 100 strategy)

Benefits at a Glance (Why This Beats DIY)

  • Time saved: Replace multi-exchange shopping, wallet hops, and manual allocations with one click.
  • Fewer missed rebalances: Weekly cadence + visible transactions log reduce the cost of “I’ll do it tomorrow.”
  • Slippage discipline: Centralized execution with declared slippage/fee previews helps contain surprises vs piecemeal orders.
  • Regime switching: Codified “risk-off” behavior into stablecoins during bears, so you don’t have to white-knuckle exits. (No performance promises.)
  • Transparency: Strategy modal → Holdings treemap/table → Transactions log—see exactly what you hold and when it changed.

Proof cues (What you’ll see): Gauge (market signal) → Treemap (allocations) → Transactions Log → ~90-second Buy flow.

Step-by-Step: How to Get Early Access (Waitlist)

  1. Open the Token Metrics Indices hub and select TM Global 100.
  2. Add your email to the waitlist so you’re first in line at launch.
  3. (Optional) Connect your wallet—our embedded, self-custodial smart wallet supports major chains.
  4. On launch day, you’ll see the price tile, signal gauge, and “Buy Index.”
  5. Review the strategy, expected fees/slippage, and holdings; confirm to purchase.
  6. Track your position in My Indices; rebalances and any regime switches will appear in the transactions log.
→ Join the waitlist to be first to trade TM Global 100.

Decision Guide: Is This Right for You?

  • Hands-Off Allocator: Want broad exposure without micromanaging? Consider a rules-based core that updates weekly.
  • Active Trader: Keep your bets, but use an index core that may step to stablecoins during bears.
  • TM Member/Prospect: Prefer transparent holdings, logs, and a simple buy/sell flow.
  • Time-Strapped Professional: Reduce ops work (wallets, slippage math, spreadsheets) to nearly zero.
  • New to Crypto: Learn with training wheels—strategy modal, tooltips, and clear risk language.
  • DIY Purist: If you enjoy tinkering with weights daily, DIY could still fit—just know weekly index upkeep is handled for you.

FAQs

What is a crypto index?

A rules-based basket of assets with scheduled rebalancing and, in TM Global 100’s case, a regime switch between top-100 exposure and stablecoins.

How often does the index rebalance?

Weekly, with additional full-portfolio switches when the market regime changes.

What triggers the move to stablecoins?

A proprietary market signal. When bearish, the index exits tokens into stablecoins and waits for a bullish re-entry.

Can I fund with USDC or fiat?

Funding options surface based on your connected wallet and supported chains; USDC payouts are supported on selling. (Stablecoin entry may come later.)

Is the wallet custodial?

No. The embedded wallet is self-custodial; you control funds.

How are fees shown?

The Buy flow shows estimated gas, platform fee, max slippage, and minimum expected value before you confirm.

How do I join the waitlist?

Visit the Indices hub → TM Global 100 → enter your email to get notified and first access at launch.

Security, Risk & Transparency

  • Self-custody: You transact via an embedded, self-custodial smart wallet.
  • Visibility: Strategy modal, Holdings treemap/table, and Transactions log make changes auditable.
  • Fee & slippage preview: See estimated gas, platform fee, max slippage, and minimum expected value before confirming.
  • Regime logic limits: Signals can be wrong; markets can gap; weekly rebalances can’t eliminate risk.
  • Region/chain notes: Supported chains surface in-product; availability and options may vary.

Crypto is volatile and can lose value. Past performance is not indicative of future results. This article is for research/education, not financial advice.

Conclusion

If you’ve ever missed a rebalance or watched slippage eat into returns, Token Metrics Global 100 can help standardize the work: rules-based logic, weekly updates, and a visible log of everything that changed. Join the waitlist to be first to trade, and make a disciplined index your core.

→ Join the waitlist to be first to trade TM Global 100.
Research

Regime Switching in Crypto: Participate in Upside, Sit Out Drawdowns (2025)

Token Metrics Team
5

Timing crypto cycles is inherently challenging. Volatility in the crypto markets can lead to sharp swings—either capturing gains during bull runs or avoiding deep drawdowns during unfavorable trends. A regime switching crypto index offers a systematic way to adapt to changing market conditions, using rules-based allocations that switch between risk-on assets and stablecoins accordingly. Token Metrics offers tools to help analyze these strategies with transparency and real-time insights.

Why Indices Matter in October 2025

Crypto markets tend to operate in distinct regimes—periods of momentum followed by corrections that can reverse gains quickly. Investors and analysts seeking to implement regime switching or weekly rebalancing frameworks value simplicity and clarity. These approaches help in maintaining discipline, managing risks, and capturing market trends effectively.

Definition of Regime Switching in Crypto

Regime switching in crypto refers to a rules-based investment method that adjusts portfolio exposure based on prevailing market conditions. Typically, this involves rotating into a diversified basket of tokens in bullish phases and shifting into stablecoins during bearish trends, thus managing risk while seeking to ride upward trends.

Why Now: The Rationale for Regime Switching

  • Cycle Asymmetry: Capturing upward trends while limiting downside drawdowns can influence long-term outcomes positively.
  • Operational Efficiency: Automated, rules-based rebalancing reduces errors and slippage tied to manual adjustments across multiple tokens or exchanges.
  • Transparency: Real-time insight into holdings, rebalancing rationale, and transaction history fosters trust and clarity.

How the TM Global 100 Index Works (Plain English)

This index employs regime switching principles: during bullish periods, it holds the top 100 crypto assets by market cap; during bearish times, it exits into stablecoins and waits for buy signals. The index performs weekly rebalancing based on updated rankings, liquidity, and supply metrics. Transparency is maintained through clear strategy rules, gauges, Treemap views, and detailed transaction logs.

Benefits at a Glance (Why This Beats DIY)

  • Rules, not vibes: Automated logic minimizes emotional decision-making.
  • Fewer operational mistakes: Single, streamlined flows replace manual multi-step trades.
  • Discipline in switching: Full rotation into stablecoins at bearish signals reduces hesitation and second-guessing.
  • Cost visibility: Estimated gas, platform fees, and expected minimum value are shown upfront.
  • Full transparency: Holdings treemaps and transaction histories keep you informed.
  • Consistent cadence: Weekly updates ensure alignment with market trends.

Step-by-Step: How to Get Early Access (Waitlist)

  1. Visit the Token Metrics Indices hub.
  2. Find the TM Global 100 index card and tap “Join Waitlist”.
  3. Add your email to receive launch notifications.
  4. Optionally, connect your wallet in advance to streamline onboarding on launch day.
  5. On launch day, you will receive an email when the index opens for trading. The interface features gauges, strategy details, and holdings for instant review.
  6. Complete the purchase of the index in about 90 seconds by confirming your wallet, reviewing potential fees, and confirming the buy.
  7. Track your position within “My Indices” once active.

Join the waitlist to be first to trade TM Global 100.

Decision Guide: Is This Right for You?

  • Hands-Off Allocator: Ideal for those seeking broad market exposure with minimal management.
  • Active Trader: Useful as a core strategy with rules-based rebalancing, supporting satellite bets.
  • Token Metrics Member/Prospect: For users who value transparent, research-backed rules over discretionary choices.
  • Crypto Newcomer: Simplifies entry with one-button buy, weekly updates, and clear rules.
  • Time-Constrained Pro: Reduces operational overhead while maintaining clarity and predictability.
  • Skeptical of Forecasts: Prefers systematic processes over relying on predictions or forecasts.

FAQs

What is a regime switching crypto index?

A rules-based portfolio that allocates to a diversified token basket during bullish phases and switches to stablecoins during bearish conditions, based on predefined signals. Token Metrics implements this with a top-100 universe and full stablecoin rotation in downturns.

How often does the index rebalance?

It rebalances weekly to reflect changes in rankings and liquidity. Significant regime changes can occur outside the schedule when market signals trigger a switch.

What triggers the move to stablecoins?

A proprietary market signal prompts the index to exit token positions and move into stablecoins during bearish phases, waiting for a bullish signal to re-enter.

Can I fund with USDC or fiat?

Funding occurs via an embedded, self-custodial wallet supporting major chains. USDC payouts are supported when selling. Funding options depend on your wallet and region.

Is the wallet custodial?

No. It is self-custodial, giving you control of keys and funds.

How are fees shown?

Before confirming a trade, estimated gas, platform fee, slippage, and expected minimum value are displayed.

How do I join the waitlist?

Visit the Token Metrics Indices hub, open TM Global 100, and tap “Join Waitlist”. You will be notified at launch.

Security, Risk & Transparency

  • Self-custody is prioritized: You control your keys and funds.
  • Transparency is built into the process: Fees, holdings, and transaction logs are visible before and after trades.
  • Market signals are based on rules; sudden gaps and spreads can impact outcomes.
  • Supported regions and asset options may vary due to geography.

Crypto markets are volatile and can fluctuate rapidly. Past performance does not predict future results. This article aims to educate and inform, not provide financial advice.

Conclusion

For a disciplined, transparent approach to broad crypto exposure that adapts to market regimes, the TM Global 100 index offers a rules-based platform with weekly rebalancing and full visibility. It enables investors to focus on allocation without the stress of micromanagement.

Join the waitlist to be first to trade TM Global 100.

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