Web3 Community & Earning From Airdrops
A community sharing free knowledge about airdrops, retroactives, and blockchain — completely free. We also build and maintain free security tools for crypto wallets, open to the community.
Protect Your Crypto Wallet Assets
With the hope of contributing a small part to protecting the Web3 community's assets, Airdrop101 built a completely free toolkit — helping you detect dangerous token approvals or silent EIP-7702 delegations on your wallet. Check in seconds, no sign-up, no wallet connection needed.
Token Approval Checker
FREEScan all token/NFT approvals you've granted to smart contracts. Revoke unnecessary or dangerous permissions immediately to prevent wallet draining.
EIP-7702 Checker
FREECheck if your wallet has been delegated via EIP-7702 — a new attack vector that lets hackers control your wallet without needing your private key. Supports 17 blockchains.
Airdrop & Onchain Tools
Tools for your daily onchain activities — add networks to your wallet, track gas fees, log your farming, or grab free testnet tokens.
Chainlist
FREEAdd any EVM network to your wallet in 1 click. Supports 2,800+ networks with real-time RPC latency checking.
Gas Tracker
FREETrack real-time gas fees on Ethereum, BNB Chain, Polygon and popular EVM networks. Pick the best time to transact.
Binance Alpha Tracker
FREEReal-time tracking of upcoming Binance Alpha listings, leaderboard of low-volatility tokens with x4 points, plus automatic ROI logging and calculation.
Testnet Faucet
FREEGet free ETH/BNB testnet tokens for Sepolia, BSC Testnet and Base Sepolia. Perfect for developers and Web3 learners.
Join Our Community
Hunt airdrops, discover promising Web3 projects, and share blockchain knowledge with thousands of like-minded enthusiasts.
Airdrop101 Telegram Group
A community for earning from airdrops, retroactives, and sharing free blockchain & Web3 knowledge. The fastest place to update on potential airdrop projects, step-by-step guides, and direct team discussions.
Crypto Wallet Technical Support
Having trouble with your crypto wallet? Suspicious transactions, unexpected token/NFT losses, accidental contract approvals, stuck airdrops, stuck transactions, wallet connection errors... and any other blockchain-related issues — feel free to ask us for free.
Notification Channel
Quick updates on new airdrops, retroactive guides, blockchain news — no spam, quality content only.
YouTube
Detailed tutorial videos on airdrop farming, on-chain analysis, new project reviews — easy to understand for beginners.
Direct Contact
Need technical support with your crypto wallet or on-chain transactions? Message directly via Telegram for a free consultation and fastest response.
Articles & Guides
Practical knowledge on airdrops, wallet security, and blockchain.
May 15, 2026
What Is EIP-7702? How Hackers Exploit It to Drain Your Crypto Wallet
What is EIP-7702, how does it work, and how are hackers using it to install bots and drain wallets with exposed private keys/seedphase? Guide to check and revoke delegation.
May 7, 2026
How to Revoke EIP-7702 Delegation with Rabby Wallet (PC & Mobile)
Step-by-step guide to check and revoke EIP-7702 delegation using Rabby Wallet on PC and mobile. Detect and remove dangerous delegations from your wallet in minutes.
April 1, 2026
How to Store Your Seedphrase Safely — A Complete Guide from A to Z
According to Chainalysis estimates, about 20% of Bitcoin in circulation has been permanently lost. Discover 6 of the safest seedphrase storage methods and encoding techniques when you must store online.
Frequently Asked Questions
Everything you need to know about Airdrop101, Web3 security tools, and the crypto ecosystem.