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Ledger All ledgers

Crypto failures before 2018

The 31 crypto hacks and thefts recorded from 2011 to 2017.

DateTargetLostTypeMethodReturned
27 Apr 2017Yapizon$4.8mCEXHot Wallet Key Compromised—
01 Jul 2017Parity$30.0mWalletUninitialized Proxy—
18 Jul 2017CoinDash$7.7mICOFrontend Compromise—
09 Nov 2017Parity Multisig$150.0mDeFi ProtocolUninitialized Proxy—
19 Nov 2017Tether$31.0mTokenPrivate Key Compromised—
08 Dec 2017NiceHash$64.0mCEXKey Leaked via Infrastructure—
19 Dec 2017Youbit—CEXHot Wallet Key Compromised—
20 Dec 2017EtherDelta$1.4mCEXDNS Hijack—
07 Apr 2016ShapeShift$230,000CEXPrivate Key Compromised—
14 May 2016Gatecoin$2.0mCEXImproper Access Control—
17 Jun 2016The DAO$60.0mDeFi ProtocolReentrancy—
02 Aug 2016Bitfinex$72.0mCEXHot Wallet Key Compromised—
13 Oct 2016Bitcurex$1.5mCEXHot Wallet Key Compromised—
05 Jan 2015Bitstamp$5.2mCEXPhishing—
27 Jan 2015796$270,000CEXImproper Access Control—
17 Feb 2015BTER$1.8mCEXPrivate Key Compromised—
18 Feb 2015KipCoin$728,000CEXPrivate Key Compromised—
22 May 2015Bitfinex$329,000CEXHot Wallet Key Compromised—
15 Aug 2015BTER$1.6mCEXPrivate Key Compromised—
07 Feb 2014Mt. Gox$470.0mCEXPrivate Key Compromised—
17 Feb 2014Picostocks$4.4mCEXPrivate Key Compromised—
02 Mar 2014Flexcoin$600,000CEXWithdrawal Logic Flaw—
04 Mar 2014Poloniex$50,000CEXWithdrawal Logic Flaw—
13 Jul 2014Mintpal$2.0mCEXImproper Access Control—
29 Jul 2014Cryptsy$9.6mCEXPrivate Key Compromised—
23 Oct 2013Inputs.io$1.2mCEXKey Leaked via Infrastructure—
11 Nov 2013Bitcash$100,000CEXImproper Access Control—
01 Mar 2012Bitcoinica$228,000CEXKey Leaked via Infrastructure—
11 May 2012Bitcoinica$90,000CEXKey Leaked via Infrastructure—
05 Sept 2012Bitfloor$250,000CEXKey Stored Publicly—
19 Jun 2011Mt. Gox$8.8mCEXImproper Access Control—

Amounts are DefiLlama’s estimates and can change as incidents are revalued. Its returned figure can include money a company repaid itself, not only funds recovered from attackers. Source: DefiLlama.

Cite this Bitminer.io, “Crypto failures before 2018”, data to 2 November 2026, https://bitminer.io/ledger/failures/earlier/. How this is built