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Wallet safety, in plain language
Short guides on reading what a wallet has done and avoiding common scams. No jargon, no signup.
Ledger CryptoBilis drain: what is confirmed and what to do
Updated 11 October 2026. What Ledger confirmed, what is not known, who may be affected, how to move funds safely and how to check on-chain.
How to check if a crypto address is a scam
Seven free checks before you send money: labels, age, connections, public reports, and why a clean result never proves safety.
How to check a wallet before sending crypto: warning signs
What a wallet's history can and cannot tell you before you pay a stranger, six warning signs, and why a clean result is never a guarantee.
Unlimited token approvals: what they are and how to revoke them
Why apps ask for permission to spend your tokens, when "unlimited" is a risk, and how to check and revoke it.
Fake airdrops and spam NFTs: how to spot them and what to do
Tokens you never asked for, the lure behind them, why a familiar name in a wallet history can mislead, and what is safe to do.
What is a "known entity"? Labeled vs unknown addresses
Where address names come from, and why neither a name nor its absence tells you whether an address is safe.
Reading Etherscan as a beginner: what the tabs and columns mean
A plain-language tour of transactions, internal transactions, token transfers and gas, and where a simpler view helps.
How to check a TXID (transaction hash)
What a TXID is, where to find it, which explorer to use, why it can show "not found", and what it can and cannot tell you.
Best blockchain explorers compared
Etherscan, Blockscout, Blockchair, Solscan, Tronscan and more: which explorer fits which chain and task, and when an investigation tool helps.
How to track a crypto wallet for free
Look up balances and transfers, follow who a wallet deals with, set alerts, and what stays hidden.
What is an EVM wallet address?
How an Ethereum-style address looks, why one address works on many chains, and what to check before you send money.
Address poisoning: what it is and how to avoid it
How a look-alike address in your history tricks you into paying the wrong one, how to spot it, and how to avoid it.
Tron address and TRC20 transaction check
Check a Tron address and a USDT TRC20 transaction, find out why an exchange has not credited it, and see whether Tether froze the address.
What is a honeypot token? How to spot one
A honeypot token lets you buy but not sell. How the trick works, the warning signs, and what to do before you buy or if you are stuck.
What is a seed phrase? How to keep it safe
The 12 or 24 words that control your wallet: what they are, how they differ from a private key, how to store them and what to do if they leak.
Crypto scam recovery: what works and what is a scam
What to do in the first hours after a scam, how to trace the funds, what can be frozen, and how to spot fake recovery services.
Hot wallet vs cold wallet vs hardware wallet
What the terms mean, which one suits what, and what a hardware wallet still cannot protect you from.
How to tell if two crypto wallets are linked
What actually links two wallets, what only looks like it does (a shared exchange or popular token contract doesn't), and how to check it yourself.
How to screen a list of wallets for Sybil or airdrop farming
What Sybil farming looks like on-chain, and how to check a whole list of addresses at once instead of one by one.
How to track a Tron or Solana wallet's activity for free
How Tron and Solana addresses actually differ from Ethereum's, what Hopchain shows for each, and a real risk worth knowing about Solana addresses.
Case files: real crypto scams, read from the chain
A fake FBI token on Tron, a fake ETH on Robinhood Chain and a drainer on BNB Chain: what happened, what we could verify and what you can do.