Web3 Hacks in 2021

2021 incident records, sorted by known loss. The strongest mapped pattern is Access Control (46 rows); the largest tracked chain bucket is Ethereum ($1.9B).

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Incident records

Sorted by known reported loss first, then recency. Open the source before treating any summary as final.

Links
201 Casper DeFi $172K — Other Details Source
202 Alpha Finance Lab $171K — Other Details Source
203 Iron Finance $170K polygon Incorrect Share Accounting Details
204 Alpha Homora $147K ethereum Oracle Manipulation & Price Manipulation Details
205 Tin Finance $137K binance Rugpull Details Source
206 Daedalus DAO $129K — Rugpull Details Source
207 MerchDAO $128K ethereum Honeypot Details Source
208 MoltenSwap $122K binance Rugpull Details
209 PancakeHunny $112K bsc Other / Incorrect Share Accounting Details Source
210 INFI Governance and Utility Token $110K ethereum Rugpull Details Source
211 YZY DAO $106K ethereum Rugpull Details Source
212 SushiSwap $104K ethereum Swap Logic Flaw Details
213 Badger DAO $104K ethereum Swap Logic Flaw Details
214 Yearn Machine Learning $100K ethereum Rugpull Details Source
215 Formation.Fi $100K — Other Details Source
216 Aphrodite Protocol $97K ethereum Rugpull Details Source
217 Safe Dollar $95K polygon Other Details Source
218 Nifity $93K ethereum Rugpull Details Source
219 NeedForSpeed Finance $82K ethereum Rugpull Details Source
220 OracleSwapToken $77K ethereum Honeypot Details
221 Sakura DeFi $76K ethereum Rugpull Details Source
222 Bio Farm $73K ethereum Rugpull Details Source
223 Snowflake Floki $70K — Honeypot Details Source
224 Force Dao $66K ethereum Honeypot Details Source
225 SLM Token $65K ethereum Honeypot Details
226 Echelon DAO $63K binance Honeypot Details
227 Rise Protocol $59K ethereum Rugpull Details Source
228 Poz finance $56K binance Rugpull Details Source
229 Cryptopia Exchange $45K — Access Control Attacks Details Source
230 Cryptopia $45K multiple Hot Wallet Key Compromised Details
231 DoraFactory $42K — Other Details Source
232 DAO ventures $39K — Other Details Source
233 Galaxy DeFi $39K ethereum Honeypot Details Source
234 OptionRoom $38K — Other Details Source
235 Mars Farm $38K binance Rugpull Details Source
236 Orbit Swap $36K binance Rugpull Details Source
237 Holy Trinity $34K ethereum Rugpull Details Source
238 MinterPro $34K binance Rugpull Details Source
239 My Farm Pet $31K — Flash Loan Attacks Details Source
240 NONAME $30K ethereum Rugpull Details
241 WOLF Protocol $30K ethereum Rugpull Details Source
242 DiceSwap $30K binance Rugpull Details Source
243 Dragonswap $29K binance Rugpull Details Source
244 DARK DEFI $27K ethereum Honeypot Details Source
245 Horizon Finance $25K binance Rugpull Details Source
246 NarutoSwap $24K binance Rugpull Details Source
247 DefiBox $24K — Other Details Source
248 Static $24K ethereum Rugpull Details
249 Pacific Protocol $24K ethereum Rugpull Details Source
250 Game Swap Exchange $23K ethereum Rugpull Details Source
251 Zap Finance $22K binance Rugpull Details Source
252 Cool Cats $21K — Rugpull Details
253 CatDog $20K ethereum Rugpull Details Source
254 KoiSwap $20K binance Rugpull Details
255 Thunder Finance $19K binance Rugpull Details Source
256 Dipex $17K ethereum Rugpull Details Source
257 True Seigniorage Dollar $17K ethereum Rugpull Details Source
258 Solend $16K solana Access Control Attacks Details Source
259 Slicer Finance $14K ethereum Rugpull Details Source
260 Tranquility Defi $13K ethereum Rugpull Details Source
261 ChaddyFinance $13K binance Rugpull Details Source
262 RFbtc $12K ethereum Rugpull Details Source
263 Fractal Defi $12K ethereum Rugpull Details Source
264 D4ppdao Token $12K ethereum Rugpull Details Source
265 PulldogSwap $11K binance Honeypot Details Source
266 Bing Swap $10K binance Rugpull Details Source
267 Focus $10K ethereum Rugpull Details Source
268 Mantle $10K ethereum Rugpull Details Source
269 Mocha Set Dollar $9K ethereum Rugpull Details Source
270 Sloth Inu $8K — Rugpull Details Source
271 Rfyield Finance $7K ethereum Rugpull Details Source
272 Ohohoh.io $6K ethereum Rugpull Details Source
273 Banksy $5K — Rugpull Details Source
274 Jointventure Finance $4K ethereum Rugpull Details
275 PUMP $4K ethereum Rugpull Details
276 Binary Protocol $4K ethereum Rugpull Details Source
277 Contribute Protocol $4K ethereum Rugpull Details
278 Delicacy DeFi $4K binance Rugpull Details Source
279 iBLUE $3K ethereum Rugpull Details
280 Reflect3 Finance $3K ethereum Rugpull Details Source
281 EASYPump $3K ethereum Honeypot Details Source
282 burn12 $3K ethereum Rugpull Details
283 Q DAO Governance token v2.0 $3K binance DAO Governance Attacks Details Source
284 MetaMoonMars $866 — Other Details Source
285 AutobotDefi $797 — Rugpull Details Source
286 DAOstreetbets $548 binance Honeypot Details Source
287 Internet Computer — binance Honeypot Details Source
288 Gelato — — Other Details Source
289 ScareCrow — — Abandoned Details Source
290 Coinsuper — — Other Details Source
291 SkyDog — binance Honeypot Details Source
292 ShibaElonMars — binance Honeypot Details Source
293 UNIYSWAP — — Rugpull Details Source
294 Mystery — — Rugpull Details Source
295 FlokiFarmToken — — Rugpull Details Source
296 OliveOptions — binance Honeypot Details Source
297 Daughter Doge Revenge Token — — Rugpull Details Source
298 AwakenedToken — — Rugpull Details Source
299 LionKingToken — — Rugpull Details Source
300 SaturnBeam — — Rugpull Details Source

Notes

Loss totals use parsed USD values only; unknown or unparseable losses are not guessed. Attack-class links are added only when the root cause is clear enough to map.

Full hack database Filter every tracked incident by chain, date, loss size, and technique. Attack class library Move from incident examples to exploit mechanics and review checklists. Largest crypto hacks Compare this year against the highest-loss incidents in the database.