GeneralBeginnerA seed phrase is 12 or 24 words that act as the master key to your whole wallet — import them anywhere and you regain the same accounts. Lose it and funds are gone; expose it and they're stolen. Store it offline, and never give it to anyone.
#cryptography#security#wallets
GeneralIntermediateA bridge moves value between blockchains by locking an asset on one chain and minting a representation on another. They get hacked because they concentrate value and depend on flawless keys, contracts and proofs — as Ronin (~$600M) and Wormhole (~$320M) showed.
#bridges#scaling#security
GeneralBeginnerA wallet stores the keys that control your coins, not the coins themselves. Custodial means a company holds those keys for you; self-custody means you hold them, with full control and full responsibility — captured by the phrase 'not your keys, not your coins'.
#basics#security#wallets
EthereumAdvancedRestaking reuses staked ETH to secure extra services. In EigenLayer, restakers delegate to operators who run software for AVSs and earn more rewards, but each AVS can slash the stake allocated to it, stacking new risks on top.
#defi#security#staking
EthereumIntermediateLiquid staking gives you a token for staked ETH, like stETH or rETH, that keeps earning rewards while usable in DeFi. The main risks are contract bugs, slashing, the token trading below its ETH value, and stake centralization.
#consensus#defi#security
GeneralBeginnerProjects snapshot on-chain activity and let eligible wallets claim free tokens, often via a Merkle-proof contract. Scams use fake claim sites, malicious approvals, permit signatures, seed phrase requests or pay-to-claim fees.
#security#tokens#wallets
GeneralBeginnerTechnically yes: a wallet is just a key plus signing code, so an agent can hold and spend crypto. Legally, its operator owns the funds, and smart accounts, spending caps and human approval keep the risks in check.
#ai#security#smart-contracts
GeneralBeginnerIf you use UPI regularly, starting August 1, 2025, some key updates may affect how you handle your payments. The National Payments Corporation of India (NPCI) has rolled out fresh guidelines aimed at improving the reliability and safety of UPI transactions. Here is a quick overview of the most…
#security
BitcoinBeginnerIn a developing legal showdown, leading crypto exchange Coinbase has filed a lawsuit against Tobias Honscha, a resident of Isernhagen, Germany, for allegedly misusing the domain name coinbase.de in a way that violates both trademark law and the company’s affiliate agreement. According to a…
#crypto#security
GeneralBeginnerGlobal authorities tighten grip on cryptocurrency kiosks as fraud cases surge and legal gaps widen. London, United Kingdom — Law enforcement agencies are intensifying their crackdown on cryptocurrency ATMs as regulatory concerns mount across both sides of the Atlantic. In a major enforcement…
#crypto#security
GeneralBeginnerSubheadline:Indian crypto exchange CoinDCX hit by major security incident involving internal wallet, sparking investigation and security overhaul. Mumbai, India — CoinDCX, one of India’s largest cryptocurrency platforms, has confirmed a major cyberattack resulting in the loss of approximately 44…
#crypto#security