UID (User Identification Code) is a unique number used to identify users in the Blockchain and cryptocurrency environment. It not only ensures the security of transactions but also assists in compliance verification and asset management. It serves as a bridge for communication between users and the platform, and is an important cornerstone for the future decentralized identification system.

UID User Identification Code Role In Blockchain And Crypto

The basic definition and importance of UID

UID is a unique combination of numbers or letters that identifies a user’s identification, widely used in exchanges, DApps, DAOs, and other scenarios to ensure the accuracy and security of user interactions with the platform.

Unlike blockchain wallet addresses

UID is centrally assigned by the platform and has identification functionality; the wallet address is generated by the private key, representing the on-chain asset address, with the two functionalities and use cases clearly distinguished.

UID application of centralized exchanges

For registration, login management, referral commission tracking, customer support, and risk control, enhancing platform operation efficiency and user service quality.

Web3 identification management bridge

UID allows users to get rid of the lengthy wallet address problem and serves as a cross-platform identification. In the future, it is expected to combine with decentralized identity technologies such as DID to promote identity autonomy.

Summary

UID is an important link between on-chain and off-chain identification, bringing more comprehensive identification governance and security guarantees to the encryption ecosystem.

* The information is not intended to be and does not constitute financial advice or any other recommendation of any sort offered or endorsed by Gate.

Content

The basic definition and importance of UID

Unlike blockchain wallet addresses

UID application of centralized exchanges

Web3 identification management bridge

Summary

How to Buy Cryptocurrency

Trending Cryptocurrencies

Flash

F Surges 65%, Gravity Nearly Doubles on September 19; Major Crypto Rally Across South Korean Exchanges

2026-09-18 23:32

Intel CEO Warns Memory Chip Shortages Will Intensify in 2027; Samsung Unveils zHBM Technology at AI Summit

2026-09-18 23:30

BTC drops below 81,000 USDT

2026-09-18 23:30

South Korean Bond Futures Fall Overnight: 3-Year Yields Drop 10 Bps, 10-Year Falls 32 Bps

2026-09-18 23:23

AI Chatbot's False Intelligence Nearly Triggers U.S. Military Operation Against Chinese Vessel This Spring

2026-09-18 23:20

XZXX: A Comprehensive Guide to the BRC-20 Meme Token in 2025

XZXX emerges as the leading BRC-20 meme token of 2025, leveraging Bitcoin Ordinals for unique functionalities that integrate meme culture with tech innovation. The article explores the token's explosive growth, driven by a thriving community and strategic market support from exchanges like Gate, while offering beginners a guided approach to purchasing and securing XZXX. Readers will gain insights into the token's success factors, technical advancements, and investment strategies within the expanding XZXX ecosystem, highlighting its potential to reshape the BRC-20 landscape and digital asset investment.

2025-08-21 07:56:36

Top Decentralized Exchange Aggregators for Optimal Trading

Exploring top DEX aggregators in 2025, this article highlights their role in enhancing crypto trading efficiency. It addresses challenges faced by traders, such as finding optimal prices and reducing slippage, while ensuring security and ease of use. A practical overview of 11 leading platforms is provided, with guidance on selecting the right aggregator based on trading needs and security features. Designed for crypto traders seeking efficient and secure trading solutions, the article emphasizes the evolving benefits of using DEX aggregators in the DeFi landscape.

2025-12-24 07:01:19

Popular GameFi Games in 2025

These GameFi projects offer a diverse range of experiences, from space exploration to dungeon crawling, and provide players with opportunities to earn real-world value through in-game activities. Whether you’re interested in NFTs, virtual real estate, or play-to-earn economies, there’s a GameFi game that suits your interests.

2025-08-14 05:18:17

2025 Layer-2 Solution: Ethereum Scalability and Web3 Performance Optimization Guide

By 2025, Layer-2 solutions have become the core of Ethereum's scalability. As a pioneer in Web3 scalability solutions, the best Layer-2 networks not only optimize performance but also enhance security. This article delves into the breakthroughs in current Layer-2 technology, discussing how it fundamentally changes the blockchain ecosystem and presents readers with the latest overview of Ethereum scalability technology.

2025-08-14 04:59:29

Best GameFi Project in 2026: Top Gaming Ecosystems and Tokens to Watch

GameFi in 2026 is no longer just about earning tokens by playing blockchain games. The sector has shifted toward a broader model built around gaming networks, developer infrastructure, player-owned assets, marketplaces, creator economies, and tokens that support entire gaming ecosystems.

2026-09-02 09:36:24

Kaspa’s Journey: From BlockDAG Innovation to Market Buzz

Kaspa is a fast-rising cryptocurrency known for its innovative blockDAG architecture and fair launch. This article explores its origins, technology, price outlook, and why it’s gaining serious traction in the blockchain world.

2025-08-14 05:19:25

Recommended for You

Dollar Liquidity and Bitcoin: Why Funding Conditions Matter

Dollar liquidity reflects the availability and cost of U.S. dollar funding across global markets. This reference explains how Fed liquidity, global credit, money supply and dollar strength can affect Bitcoin.

2026-09-18 12:13:04

Institutional Bitcoin Buying: How Fund Purchases Affect BTC

Institutional investors can influence Bitcoin through ETF flows, corporate treasury purchases, block trades and long-term accumulation. This reference explains how institutional demand affects BTC liquidity, supply, volatility, price and long-term value, while also considering blockchain technology, market transparency, regulatory concerns and Bitcoin’s role within the wider digital assets industry.

2026-09-18 08:31:05

Reverse Repo and Bitcoin: How Fed Liquidity Affects Crypto

Reverse repo operations absorb excess cash from financial institutions. This reference explains how Federal Reserve RRP balances interact with bank reserves, interest rates, net liquidity and Bitcoin.

2026-09-18 08:30:01

Treasury General Account and Bitcoin: Why TGA Matters

The Treasury General Account (TGA) is the U.S. government's main operating account at the Federal Reserve Bank and an important part of managing government finances. Changes in the TGA cash balance can affect bank reserves, the effective money supply, interest rates and broader market liquidity, indirectly influencing Bitcoin and other financial instruments. This Treasury General Account Bitcoin relationship is most relevant to crypto traders, macro investors and analysts tracking how U.S. fiscal operations can affect risk assets.

2026-09-18 08:28:58

U.S. Government Shutdown and Bitcoin: Market Effects

A U.S. government shutdown does not stop Bitcoin, but it can affect crypto markets through delayed inflation data, reduced federal activity, liquidity conditions, regulation and changing investor sentiment.

2026-09-18 08:27:15

U.S. Debt Ceiling and Bitcoin: How Fiscal Stress Hits Crypto

U.S. debt ceiling disputes can affect Bitcoin through Treasury Department borrowing, market liquidity, interest rates and investor confidence. Rising debt, U.S. debt levels and Congressional Budget Office projections can influence the U.S. economy, global economy and traditional markets, shaping how institutions and people investing in Bitcoin assess fiscal risk and the country's full faith and credit across the four-year cycle.

2026-09-18 08:26:37

UID User Identification Code Role In Blockchain And Crypto﻿

The basic definition and importance of UID

Unlike blockchain wallet addresses

UID application of centralized exchanges

Web3 identification management bridge

Summary

F Surges 65%, Gravity Nearly Doubles on September 19; Major Crypto Rally Across South Korean Exchanges

Intel CEO Warns Memory Chip Shortages Will Intensify in 2027; Samsung Unveils zHBM Technology at AI Summit

BTC drops below 81,000 USDT

South Korean Bond Futures Fall Overnight: 3-Year Yields Drop 10 Bps, 10-Year Falls 32 Bps

AI Chatbot's False Intelligence Nearly Triggers U.S. Military Operation Against Chinese Vessel This Spring

UID User Identification Code Role In Blockchain And Crypto