21 BTCBitstamp (2015)
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In plain words
Hackers drained the exchange's operational hot wallets of fewer than 19,000 BTC.
What happened
Hackers drained the exchange's operational hot wallets of fewer than 19,000 BTC.
What happened to the coins
The exchange covered the loss; customer balances held before the suspension were honored in full.
See also
- Hardware walletA hardware wallet is a small device that keeps your private keys offline and signs transactions inside itself. Even if your computer is infected, the keys never leave the device.
- Seed phraseA seed phrase is a list of 12 or 24 ordinary words that can recreate all the keys of a wallet. Whoever has the words has the bitcoin, so write them on paper or metal and never type them into a website.
- Proof of reservesAn exchange's attempt to show it holds the customer coins it owes.
- Hot / cold walletHot: keys on an internet-connected device. Cold: keys kept offline.
References
- en.wikipedia.org en.wikipedia.org
- blog.bitstamp.net blog.bitstamp.net