Hacks
Crypto hacks in 2019
Data as of 3 October 2026
26 recorded incidents in 2019 took $277.3M in total. The largest was Upbit, $49.3M. That is 2% of all incidents in DefiLlama's record and 1.3% of the value lost. Amounts are the losses DefiLlama records, and its record does not say whether they are before or after any recovery. Data as of 3 October 2026.
By class of failure, 2019
- Key Compromise $146.7M lost9 incidents
- Frontend & Infrastructure $44.5M lost6 incidents
- Access Control $55.1M lost3 incidents
- Rugpull $30.3M lost2 incidents
- Token & Share Accounting $0 lost2 incidents
- Bridge & Cross-Chain $220K lost1 incidents
- Input Validation $480K lost1 incidents
- Oracle Manipulation $0 lost1 incidents
- Protocol Logic $0 lost1 incidents
Incidents in 2019
| Date | Incident | Class | Technique | Chains | Amount |
|---|---|---|---|---|---|
| 2019-12-23 | Nuls | Input Validation | Signature Verification Flaw | NULS | $480K |
| 2019-12-14 | VeChain | Key Compromise | Private Key Compromised | VeChain | $6.5M |
| 2019-12-02 | Vertcoin | Key Compromise | Validator Key Compromised | Vertcoin | $29 |
| 2019-11-27 | Upbit | Key Compromise | Hot Wallet Key Compromised | Ethereum | $49.3M |
| 2019-11-08 | VinDAX | Frontend & Infrastructure | Key Leaked via Infrastructure | Ethereum, Multiple | $500K |
| 2019-09-28 | Chain Fusion | Key Compromise | Private Key Compromised | Ethereum | $6.4M |
| 2019-08-17 | CoinTiger (PTT) | Frontend & Infrastructure | Key Leaked via Infrastructure | Ethereum | $9.2M |
| 2019-07-12 | BitPoint | Frontend & Infrastructure | Key Leaked via Infrastructure | Bitcoin, Ethereum, Litecoin, XRPL | $27.6M |
| 2019-06-27 | Bitrue | Access Control | Improper Access Control | XRPL, Cardano | $4.7M |
| 2019-06-25 | Synthetix v1+v2 | Oracle Manipulation | Oracle Misconfiguration | Ethereum | $0 |
| 2019-06-06 | GateHub | Key Compromise | Private Key Compromised | XRPL | $9.5M |
| 2019-06-02 | Kraken | Access Control | Improper Access Control | Bitcoin | $10.4M |
| 2019-05-24 | Poker EOS | Key Compromise | Private Key Compromised | EOS | $0 |
| 2019-05-07 | Binance | Key Compromise | Hot Wallet Key Compromised | Bitcoin | $40.0M |
| 2019-05-03 | TronBank | Rugpull | Backdoor Contract | Tron | $4.3M |
| 2019-04-11 | TronBank | Token & Share Accounting | Infinite Mint | Tron | $0 |
| 2019-04-11 | TronWow | Protocol Logic | Unknown | Tron | $0 |
| 2019-03-29 | Bithumb | Key Compromise | Hot Wallet Key Compromised | Ethereum, XRPL | $19.0M |
| 2019-03-29 | TronCrush | Token & Share Accounting | Infinite Mint | Tron | $0 |
| 2019-03-25 | Coinbene | Access Control | Improper Access Control | Ethereum | $40.0M |
| 2019-03-24 | DragonEx | Frontend & Infrastructure | Key Leaked via Infrastructure | Bitcoin, Ethereum, EOS, XRPL, NEM, Ethereum Classic | $7.0M |
| 2019-03-24 | Etbox | Frontend & Infrastructure | Key Leaked via Infrastructure | Bitcoin, Ethereum | $132K |
| 2019-02-20 | Coinbin | Rugpull | Admin Drain | Ethereum | $26.0M |
| 2019-01-26 | LocalBitcoins | Frontend & Infrastructure | Key Leaked via Infrastructure | Bitcoin | $27K |
| 2019-01-14 | Cryptopia | Key Compromise | Hot Wallet Key Compromised | Ethereum | $16.0M |
| 2019-01-06 | Ethereum Classic | Bridge & Cross-Chain | Forged Proof | Ethereum Classic | $220K |
Source: DefiLlama, retrieved 3 October 2026, under its open methodology. Figures are a dated snapshot, not a live feed.