# NFT

## **I. Core Definition and Technical Characteristics of NFT**

**Definition**:\
NFT (Non-Fungible Token), or **non-fungible token**, is a unique digital asset certificate based on blockchain technology. Unlike fungible tokens like Bitcoin (BTC) that are interchangeable and divisible, NFTs feature **uniqueness, indivisibility, and non-fungibility**. Each NFT has a distinct blockchain serial number to prove ownership of digital content or specific rights.

**Technical Underlying Logic**:

* **Blockchain Carrier**: Most NFTs are issued on public chains like Ethereum (ERC-721/ERC-1155 standards), Solana, and Polygon, with data on the chain being tamper-proof.
* **Uniqueness Realization**: Smart contracts generate unique metadata for each NFT (e.g., image hashes, creator information, issue numbers) to ensure irreproducibility.

## **II. Core Use Cases of NFT**

**1. Digital Artworks and Collectibles**

* **Representative Cases**:
  * *Bored Ape Yacht Club (BAYC)*: Ape avatar NFTs, with single pieces once sold for over $1 million, becoming status symbols;
  * *CryptoPunks*: Pixel avatar NFTs issued in 2017, launching the crypto art craze, with some works auctioned for over $20 million.
* **Value Logic**: Through blockchain - based rights confirmation, virtual artworks are transformed into tradable scarce assets, addressing the pain point of easy replication of digital content.

**2. Virtual Real Estate and Metaverse Assets**

* **Typical Platforms**:
  * *Decentraland*, *The Sandbox*: Users buy virtual land (NFT) for construction, socializing, or commercial development, with the highest virtual land transaction price reaching $4.3 million in 2021;
  * *Otherside*: Metaverse plot NFTs issued by Yuga Labs (BAYC team), with daily trading volume exceeding $100 million.

**3. Game Props and Blockchain Game Assets**

* **GameFi Model**:
  * *Axie Infinity*: Players collect and trade NFT pets (Axies) for battles, with NFT props freely tradable in the market, achieving daily transaction flow of over $300 million in 2021;
  * *Gods Unchained*: A blockchain card game where each card is an NFT, supporting cross-platform trading.

**4. Intellectual Property and Content Ownership**

* **Application Scenarios**:
  * Musicians issue NFT singles (e.g., The Weeknd sold music NFTs via Nifty Gateway);
  * Photographers chain works as NFTs to avoid piracy, such as NFT photos by renowned photographer Ansel Adams auctioned for over $100,000.

**5. Real-World Asset Mapping**

* **Physical Association Cases**:
  * Luxury brands issue NFT digital collectibles, allowing buyers to redeem physical goods (e.g., Nike's CryptoKicks NFT corresponds to physical sneakers);
  * Real estate projects split property rights via NFTs for fractional ownership (e.g., property NFTs on the Propy platform).

## **III. Key Technical Standards of NFT**

| Standard     | Public Chain | Features                                                                                                                   | Representative Projects             |
| ------------ | ------------ | -------------------------------------------------------------------------------------------------------------------------- | ----------------------------------- |
| ERC-721      | Ethereum     | Single uniqueness, each NFT with independent number, suitable for artworks and collectibles                                | CryptoPunks, BAYC                   |
| ERC-1155     | Ethereum     | Supports batch NFT creation (mixed fungible/non-fungible), reduces Gas fees, suitable for game props                       | Axie Infinity, Decentraland         |
| SPL (Solana) | Solana       | Low fees, high throughput, suitable for high-frequency trading NFTs (e.g., blockchain game assets)                         | DeGods, Okay Bears                  |
| Polygon ID   | Polygon      | Combined with Layer 2 expansion, reduces NFT mint costs, suitable for mass consumer applications (e.g., social media NFTs) | Instagram NFT functionality testing |

## **IV. Core Participants and Ecosystem of the NFT Market**

1. **Creators**
   * Artists, designers, and musicians issue NFTs through platforms (e.g., OpenSea, Rarible), earning from initial sales (Mint) and secondary transaction royalties (typically 5%-10%).
2. **Marketplaces**
   * **Centralized Platforms**: OpenSea (70% market share), LooksRare, X2Y2;
   * **Decentralized Platforms**: Sudoswap (AMM-model NFT trading), Uniswap v3 (supports partial NFT trading pairs).
3. **Collectors & Investors**
   * Divided into speculators (short-term hype) and genuine collectors (long-term holding of high-quality IP), with some NFT funds (e.g., MetaStreet Capital) specializing in blue-chip NFTs.
4. **Infrastructure Service Providers**
   * Wallets (MetaMask, Phantom), cross-chain bridges (Wormhole), NFT data analysis tools (Nansen, DappRadar).

## **V. Controversies and Risks of NFT**

1. **Bubble and Speculation Risks**
   * During the 2021 bull market, many valueless NFTs (e.g., randomly generated animal images) crashed by over 90% after being hyped—e.g., "mutant ape" series NFTs fell from 20 ETH to 0.1 ETH.
2. **Copyright and Legal Disputes**
   * Some NFTs face infringement issues (e.g., unauthorized artwork uploaded to the chain). In 2022, American artist Beeple's NFT works were accused of plagiarism, sparking copyright controversies.
3. **Environmental and Energy Consumption Controversies**
   * NFT minting based on Ethereum's PoW mechanism consumes massive electricity (e.g., carbon footprint of a single BAYC NFT equals 300 transatlantic flights), pushing the industry to shift to PoS public chains (e.g., Solana, Polygon).
4. **Liquidity and Valuation Challenges**
   * Most NFTs lack standardized valuation systems, with poor liquidity (niche NFTs may not trade for months), and prices easily manipulated by "dog zhuang" (e.g., pumping via fake transactions).

## **VI. Future Development Trends of NFT**

1. **Compliance and Regulatory Implementation**
   * The U.S. SEC began treating some NFTs as "securities" (e.g., NFTs with dividend attributes), and the EU promotes the CDSM act for NFT creators' copyright protection.
2. **Deep Integration with the Real World**
   * Brand Marketing: Luxury brands such as LV and Gucci continue to issue NFTs as membership benefits or product Easter eggs.
   * Identity verification: Some countries pilot NFT driver's licenses and degree certificates (e.g., Estonia's digital citizen identity NFT).
3. **Technical Upgrades and Experience Optimization**
   * Layer 2 expansion: Ethereum NFTs shift to Layer 2 networks like Arbitrum and Optimism, reducing transaction fees from hundreds of dollars to under $1;
   * 3D and VR integration: NFTs evolve from static images to interactive 3D assets—e.g., Nike's virtual sneakers can be "tried on" in the metaverse.

## **Risk Warnings**

The NFT market essentially thrives on "attention economy + scarcity consensus," with over 90% of NFT projects eventually going to zero. Ordinary investors should note:

* Refuse to follow hype for "algorithm-generated NFTs" without IP foundations;
* Verify creator backgrounds and copyright ownership (e.g., confirm originality via on-chain data);
* China clarifies that virtual currency-related businesses are illegal financial activities. NFTs involving token trading may violate regulatory red lines, requiring strict compliance with laws and regulations.