News
Binance investigates security issue, pauses withdrawals
Binance says it is investigating a potential security issue and that user funds are safe. It paused withdrawals on several …
Security
Guides
Is SMS 2FA enough to protect your crypto exchange account? The text code follows your phone number, and a SIM swap or port-out can move that number before the authenticator app, the withdrawal allowlist, and the anti-phishing code are on
SMS codes follow the phone number, so a SIM swap can take them. Switch to an authenticator or a passkey, turn on a withdrawal …
Guides
Crypto transaction stuck on pending? A gas bid that is too low, or an older nonce from the same Ethereum account, keeps a MetaMask USDT send from confirming, and Speed up is only one of the fixes
A pending send of 250 USDT can be a low gas bid or a blocked nonce. Wait, speed it up, or cancel with that same nonce. Do not send …
Projects
Minteo, the Bogotá issuer of the COPM peso stablecoin, has seen COPM supply on-chain fall to less than half its April peak of 11.07 billion, and the newest reserve report on its site still covers the end of June
Supply of Minteo’s COPM peso token fell from 11.07 billion in April to 5.05 billion on-chain. Multisigs can mint, freeze and …
Guides
USDT sent on the wrong network? A completed transfer is a finished payment on the chain you selected, and the wallet or exchange waiting on a different chain has no new balance to show you
USDT sent on the wrong network confirms on the chain you picked and stays invisible on the other. Keys you hold on an EVM chain …
Projects
Blink, the Lightning wallet born in El Zonte as Bitcoin Beach Wallet, is moving custodial users onto Spark, where they hold their own keys but cannot yet run the emergency exit from inside the app
Blink says it withdrew custodial service from more than forty jurisdictions and moved tens of thousands onto Spark, unaudited. On …
Guides
How do you tell if the USDT in your wallet is real? Same name, ticker and logo can sit on a fake airdrop, so you match the token contract to Tether's official list on that network and leave the rest untouched
A second USDT line in your wallet can be a same-name fake. Compare the contract to Tether’s official list on that network, …
Lifestyle
Escuelas y Bitcoin: five years teaching Argentine teens to spot scams
ONG Bitcoin Argentina says its free Escuelas y Bitcoin program gathered 350 students from 12 schools in Buenos Aires on 24 …
Guides
What is address poisoning? Attackers send tiny transfers from lookalike wallet addresses so you copy the wrong one from recent history, and matching first and last characters hide a different middle that steals the send
Address poisoning plants a lookalike address in your wallet history so you copy it by mistake. Learn how the fake matches the …
Guides
What is a destination tag or memo? On XRP, Stellar, Cosmos and similar networks the receive address alone is not enough, and a missing or wrong tag is how exchange deposits look confirmed on-chain while the desk never credits you
Your exchange deposit needs both address and destination tag or memo. Miss either and the chain can confirm while your balance …
Guides
Token approval checker: how to revoke on Etherscan, Arbiscan and Polygonscan when a leftover allowance can still let a contract pull your USDC without asking again
Open the Token Approvals page on Etherscan, Arbiscan or Polygonscan, list leftover USDC allowances, then revoke on-chain. Solscan …
News
Liquid restarts; Blockstream refuses 598 BTC ransom
Liquid resumed blocks and transactions on 10 September with peg-outs still off. Blockstream rejected the exploiter’s 10% …