ReviewSecurity
34 articles tagged Security.
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WalletsHow crypto wallets actually work
If you remember one idea, make it this: the network holds the coins. Your wallet holds the keys. That distinction explains most of the fear, the scams, and the recovery phrases.EasyCryptoGuides · · 4 min read
SecurityA wallet signature is not a handshake
A signature proves a key agreed to a particular message. That message might be a send, a spending permission, a login, or a listing. Read the wallet warning. The site’s caption is not the message.EasyCryptoGuides · · 4 min readExchangesAn exchange balance is an IOU, not a wallet
A centralised exchange credits you in its ledger. The chain may not know your name. That is convenient until the company pauses, gets hacked, or goes to court. Here is the custody map without a venue ranking.EasyCryptoGuides · · 4 min read
BlockchainA bridge is extra software, not a tunnel
A cross-chain bridge is a contract — or a committee — that watches one notebook and writes on another. Useful. Historically accident-prone. Here is the product map without a ranking of remaining holes.EasyCryptoGuides · · 5 min read
WalletsHardware wallets are a practice, not a shopping list
The device keeps keys offline. The phrase is still the spare key. Firmware, the receive-address check, and a tested restore are the product. A brand name is not a vault.EasyCryptoGuides · · 5 min read
DeFiDeFi is software with rules you cannot call support about
Decentralised finance is a set of contracts that hold coins and follow instructions. No helpdesk will unwind a confused click. Here is the product map without a farm ranking.EasyCryptoGuides · · 5 min read
WalletsThe wrong network is still the wrong city
Most stranded funds are not hacks. They are a deposit address copied from the right app on the wrong network, or a memo left blank. Here is the map before you press send.EasyCryptoGuides · · 5 min read
SecurityCoinbase’s contractor breach is an insider story, not a chain failure
In a 14 May 2025 filing, Coinbase said overseas support contractors stole account data and that it would not pay a $20 million ransom. Keys in cold storage were not the headline. Names were.EasyCryptoGuides · · 2 min readSecurityThe Bybit theft was a company wallet. The chain did what signatures do.
Bybit lost a record sum from a wallet its signers controlled. Later attribution pointed at North Korea. A 2026 lawsuit tries to freeze what can still be reached.EasyCryptoGuides · · 2 min read
SecurityDMM Bitcoin’s theft is Japan’s custody lesson, again
On 31 May 2024 DMM Bitcoin reported an unauthorised outflow of 4,502.9 BTC. A company wallet was emptied. Bitcoin’s rules were not.EasyCryptoGuides · · 1 min readSecurity