Malicious token approvals: what they are and how they work
A malicious token approval is a permission you sign that lets a scammer move a token from your wallet later. Revoking it takes another transaction.
By Vahe HakobyanRead
The latest cryptocurrency news, newest first: bitcoin, ethereum, regulation, ETFs and DeFi, with the outlet named on every headline.
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A malicious token approval is a permission you sign that lets a scammer move a token from your wallet later. Revoking it takes another transaction.
By Vahe HakobyanRead
You can check wallet permissions before signing by reading the approval screen, matching the spender address, and checking your token allowances.
By Vahe HakobyanRead
Address poisoning is a crypto scam that sends tiny transactions from lookalike addresses. Attackers hope you copy the fake address and send funds to it.
By Vahe HakobyanRead
A wallet drainer is a scam tool that tricks you into signing away crypto from your wallet. US victims can report the theft to the FTC and the FBI's IC3.
By Vahe HakobyanRead
Check the developer and download only from the wallet company's own website, then study reviews and app permissions for red flags before you install.
By Vahe HakobyanRead
To verify a wallet address before sending crypto, copy it from a trusted source, compare the full string, confirm the network, and send a test.
By Vahe HakobyanRead
Revoke token approvals by connecting your wallet to an approval checker, choosing the network, and confirming each revocation onchain for a network fee.
By Vahe HakobyanRead
Choose a hot wallet for daily spending and a cold wallet for value you rarely move, then check coin support and keep the recovery phrase offline.
By Vahe HakobyanRead
You restore a crypto wallet by importing its recovery phrase into the official app or hardware restore flow. Check addresses before sending funds.
By Vahe HakobyanRead
Write your recovery phrase on paper or metal, in order, keep copies in separate places, and test the backup before you rely on it to restore your funds.
By Vahe HakobyanRead
Ask if a crypto service is registered with a US regulator, how you withdraw cash, and who holds your keys; registration is not bank insurance.
By Vahe HakobyanRead
A full node validates every block itself; a light client asks full nodes or servers for data. Check your wallet's setting before you rely on it.
By Vahe HakobyanRead
A crypto project is active when its team, code and on-chain activity show recent, verifiable signs. Check dated posts, code commits and regulator records.
By Vahe HakobyanRead
A synthetic asset is a crypto token that tracks another asset's price without holding it, backed by collateral and kept in line by price oracles.
By Vahe HakobyanRead
Losing a seed phrase does not erase crypto while your wallet still works, but a reset device cannot be restored without it. No company can regenerate it.
By Vahe HakobyanRead
A broken hardware wallet does not erase your crypto. The blockchain holds it, and your recovery phrase usually restores access on a new device.
By Vahe HakobyanRead
Store a seed phrase offline on paper or metal, never as a digital file, and keep fireproof and waterproof backups in separate secure places.
By Vahe HakobyanRead
Set up a hardware wallet yourself, buy from the maker, check the packaging, and use the official app. Keep the recovery phrase offline and private. Never type or share it with anyone.
By Vahe HakobyanRead
To distinguish a token from its underlying project, confirm the contract address in the official docs, then check its contract on a blockchain explorer.
By Vahe HakobyanRead
A crypto protocol upgrade changes the rules nodes enforce, through proposals, testing and activation. Most holders only update their wallet software.
By Vahe HakobyanRead
A malicious token approval is a permission you sign that lets a scammer move a token from your wallet later. Revoking it takes another transaction.
You can check wallet permissions before signing by reading the approval screen, matching the spender address, and checking your token allowances.
Address poisoning is a crypto scam that sends tiny transactions from lookalike addresses. Attackers hope you copy the fake address and send funds to it.
A wallet drainer is a scam tool that tricks you into signing away crypto from your wallet. US victims can report the theft to the FTC and the FBI's IC3.
Check the developer and download only from the wallet company's own website, then study reviews and app permissions for red flags before you install.
To verify a wallet address before sending crypto, copy it from a trusted source, compare the full string, confirm the network, and send a test.
Revoke token approvals by connecting your wallet to an approval checker, choosing the network, and confirming each revocation onchain for a network fee.
Choose a hot wallet for daily spending and a cold wallet for value you rarely move, then check coin support and keep the recovery phrase offline.
You restore a crypto wallet by importing its recovery phrase into the official app or hardware restore flow. Check addresses before sending funds.
Write your recovery phrase on paper or metal, in order, keep copies in separate places, and test the backup before you rely on it to restore your funds.
Ask if a crypto service is registered with a US regulator, how you withdraw cash, and who holds your keys; registration is not bank insurance.
A full node validates every block itself; a light client asks full nodes or servers for data. Check your wallet's setting before you rely on it.
A crypto project is active when its team, code and on-chain activity show recent, verifiable signs. Check dated posts, code commits and regulator records.
A synthetic asset is a crypto token that tracks another asset's price without holding it, backed by collateral and kept in line by price oracles.
Losing a seed phrase does not erase crypto while your wallet still works, but a reset device cannot be restored without it. No company can regenerate it.
A broken hardware wallet does not erase your crypto. The blockchain holds it, and your recovery phrase usually restores access on a new device.
Store a seed phrase offline on paper or metal, never as a digital file, and keep fireproof and waterproof backups in separate secure places.
Set up a hardware wallet yourself, buy from the maker, check the packaging, and use the official app. Keep the recovery phrase offline and private. Never type or share it with anyone.
To distinguish a token from its underlying project, confirm the contract address in the official docs, then check its contract on a blockchain explorer.
A crypto protocol upgrade changes the rules nodes enforce, through proposals, testing and activation. Most holders only update their wallet software.