Tutorial Beginner

Complete NFT Beginner's Guide: The Revolution of Digital Ownership

Sentinel Team · 2026-03-09
Complete NFT Beginner's Guide: The Revolution of Digital Ownership

Complete NFT Beginner's Guide: The Revolution of Digital Ownership

Quick Overview: This article provides an accessible introduction to NFTs, offering complete knowledge for understanding non-fungible tokens. Estimated reading time: 13 minutes.

What is NFT?

NFT (Non-Fungible Token) is proof of ownership of unique digital assets, representing ownership of digital or physical assets. Unlike fungible tokens such as Bitcoin, each NFT has a unique identifier and metadata.

NFT vs Fungible Tokens

| Feature | NFT (Non-fungible) | Fungible Tokens (e.g., BTC, ETH) |

|:---|:---|:---|

| Interchangeability | Not interchangeable, each unique | Interchangeable, each identical |

| Identification | Unique identifier | No distinction |

| Use | Represent unique assets | Used as currency or unit of account |

| Examples | Artwork, game items | Bitcoin, Ethereum |

Core Characteristics of NFT

Technical Features

ERC-721 Standard (Ethereum):
├── Each token has unique token ID
├── Can contain metadata (name, description, image link)
├── Can track ownership history
└── Supports royalty mechanism (creator ongoing revenue)

ERC-1155 Standard (Multi-token):
├── Same contract can contain multiple token types
├── Supports both fungible and non-fungible
├── More efficient Gas usage
└── Suitable for game items and other scenarios

Core Value

| Feature | Description | Applications |

|:---|:---|:---|

| Authenticity | Blockchain proves authenticity | Artwork authentication |

| Ownership | Verifiable ownership | Digital collecting |

| Transferability | Peer-to-peer trading | Secondary market |

| Programmability | Smart contract features | Automatic royalties |

| Interoperability | Cross-platform use | Metaverse assets |

NFT Application Scenarios

1. Digital Art

Famous Cases:
├── Beeple "Everydays": $69 million (Christie's auction)
├── CryptoPunks: First 10K PFP project
├── Bored Ape Yacht Club: Celebrity effect
└── Art Blocks: Generative art platform

Value Sources:
├── Artist reputation
├── Scarcity
├── Community identity
└── Historical significance

2. Gaming Assets

GameFi Applications:
├── True ownership (can trade freely)
├── Cross-game use (interoperability)
├── Play-to-Earn mechanism
└── Open economic system

Representative Projects:
├── Axie Infinity
├── The Sandbox
├── Decentraland
└── STEPN

3. Metaverse Real Estate

Virtual Land:
├── The Sandbox
├── Decentraland
├── Otherside (Yuga Labs)
└── Somnium Space

Uses:
├── Build virtual buildings
├── Host events
├── Display NFT collections
└── Commercial activities

4. Other Applications

| Field | Application | Examples |

|:---|:---|:---|

| Music | Copyright, fan relationships | Royal, Audius |

| Sports | Collectibles, fan experiences | NBA Top Shot, Sorare |

| Fashion | Virtual clothing | RTFKT, The Fabricant |

| Identity | Credentials, membership | POAP, ENS |

| Physical Assets | Real estate, luxury goods | Tokenized ownership |

How to Buy and Create NFTs

Buying NFTs

Steps:
├── 1. Prepare wallet (MetaMask)
├── 2. Purchase ETH (for payment and Gas)
├── 3. Choose marketplace (OpenSea, Blur)
├── 4. Connect wallet
├── 5. Browse and purchase
└── 6. Confirm transaction

Main Marketplaces:
├── OpenSea: Largest comprehensive marketplace
├── Blur: Preferred by professional traders
├── Magic Eden: Solana ecosystem
└── Foundation: Curated art

Creating NFTs (Minting)

Minting Process:
├── 1. Create digital work
├── 2. Choose platform (OpenSea, Foundation)
├── 3. Upload work and metadata
├── 4. Set royalties (usually 5-10%)
├── 5. Pay Gas fee to mint
└── 6. List for sale

Cost Considerations:
├── Gas fees (higher on Ethereum mainnet)
├── Platform fees (2.5%)
└── Can choose Layer 2 to reduce costs

NFT Investment Risks

Main Risks

| Risk | Description | Mitigation |

|:---|:---|:---|

| Liquidity risk | May not be able to sell in time | Choose well-known projects |

| Price volatility | Prices extremely unstable | Only invest what you can afford to lose |

| Copyright issues | Piracy or infringement | Verify creator identity |

| Technical risk | Smart contract vulnerabilities | Choose audited contracts |

| Market saturation | Too many projects | Research scarcity and community |

| Rug pull | Team abandons project | Review team and roadmap |

Investment Advice

Due Diligence Checklist:
├── Creator/team background
├── Community activity (Discord, Twitter)
├── Scarcity and attribute design
├── Roadmap and vision
├── Historical transaction data
└── Royalties and copyright terms

Avoid:
├── FOMO chasing highs
├── Investing money you can't afford to lose
├── Buying without research
└── Believing guaranteed return promises

FAQ - Frequently Asked Questions

Q1: Why do NFTs have value?

A: Value sources:

Q2: How to start collecting NFTs?

A: Steps:

  1. Install MetaMask wallet
  2. Purchase ETH
  3. Browse OpenSea and other marketplaces
  4. Start small, learn the market
  5. Join communities to understand trends

Q3: What is the relationship between NFT and copyright?

A: Usually:

Q4: What are Gas fees? How to reduce them?

A:

Q5: What are royalties?

A: Creator-set secondary sales commission:

Q6: Is the NFT market still worth entering?

A: Market has cooled from 2021 peak:

Q7: How to identify NFT scams?

A: Red flags:

Q8: What are blue-chip NFTs?

A: Projects with long-term stable performance and strong communities:

Characteristics: High price, strong community, cultural influence.

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Author: Sentinel Team

Last Updated: 2026-03-04