Web3 Hacks in 2021

2021 incident records, sorted by known loss. The strongest mapped pattern is Access Control (43 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 Snowflake Floki $70K — Honeypot Details Source
202 Force Dao $66K ethereum Honeypot Details Source
203 SLM Token $65K ethereum Honeypot Details
204 Echelon DAO $63K binance Honeypot Details
205 Rise Protocol $59K ethereum Rugpull Details Source
206 Poz finance $56K binance Rugpull Details Source
207 Cryptopia Exchange $45K multiple Access Control Attacks Details Source
208 DoraFactory $42K — Other Details Source
209 DAO ventures $39K — Other Details Source
210 Galaxy DeFi $39K ethereum Honeypot Details Source
211 OptionRoom $38K — Other Details Source
212 Mars Farm $38K binance Rugpull Details Source
213 Orbit Swap $36K binance Rugpull Details Source
214 Holy Trinity $34K ethereum Rugpull Details Source
215 MinterPro $34K binance Rugpull Details Source
216 My Farm Pet $31K — Flash Loan Attacks Details Source
217 NONAME $30K ethereum Rugpull Details
218 WOLF Protocol $30K ethereum Rugpull Details Source
219 DiceSwap $30K binance Rugpull Details Source
220 Dragonswap $29K binance Rugpull Details Source
221 DARK DEFI $27K ethereum Honeypot Details Source
222 Horizon Finance $25K binance Rugpull Details Source
223 NarutoSwap $24K binance Rugpull Details Source
224 DefiBox $24K — Other Details Source
225 Static $24K ethereum Rugpull Details
226 Pacific Protocol $24K ethereum Rugpull Details Source
227 Game Swap Exchange $23K ethereum Rugpull Details Source
228 Zap Finance $22K binance Rugpull Details Source
229 Cool Cats $21K — Rugpull Details
230 CatDog $20K ethereum Rugpull Details Source
231 KoiSwap $20K binance Rugpull Details
232 Thunder Finance $19K binance Rugpull Details Source
233 Dipex $17K ethereum Rugpull Details Source
234 Solend $16K solana Access Control Attacks Details Source
235 Slicer Finance $14K ethereum Rugpull Details Source
236 Tranquility Defi $13K ethereum Rugpull Details Source
237 ChaddyFinance $13K binance Rugpull Details Source
238 RFbtc $12K ethereum Rugpull Details Source
239 Fractal Defi $12K ethereum Rugpull Details Source
240 D4ppdao Token $12K ethereum Rugpull Details Source
241 PulldogSwap $11K binance Honeypot Details Source
242 Bing Swap $10K binance Rugpull Details Source
243 Focus $10K ethereum Rugpull Details Source
244 Mantle $10K ethereum Rugpull Details Source
245 Mocha Set Dollar $9K ethereum Rugpull Details Source
246 Sloth Inu $8K — Rugpull Details Source
247 Rfyield Finance $7K ethereum Rugpull Details Source
248 Ohohoh.io $6K ethereum Rugpull Details Source
249 Banksy $5K — Rugpull Details Source
250 Jointventure Finance $4K ethereum Rugpull Details
251 PUMP $4K ethereum Rugpull Details
252 Binary Protocol $4K ethereum Rugpull Details Source
253 Contribute Protocol $4K ethereum Rugpull Details
254 Delicacy DeFi $4K binance Rugpull Details Source
255 iBLUE $3K ethereum Rugpull Details
256 Reflect3 Finance $3K ethereum Rugpull Details Source
257 EASYPump $3K ethereum Honeypot Details Source
258 burn12 $3K ethereum Rugpull Details
259 Q DAO Governance token v2.0 $3K binance DAO Governance Attacks Details Source2
260 MetaMoonMars $866 — Other Details Source
261 AutobotDefi $797 — Rugpull Details Source
262 DAOstreetbets $548 binance Honeypot Details Source
263 Internet Computer — binance Honeypot Details Source2
264 Gelato — — Other Details Source2
265 ScareCrow — — Abandoned Details Source
266 Coinsuper — — Other Details Source
267 SkyDog — binance Honeypot Details Source
268 ShibaElonMars — binance Honeypot Details Source2
269 UNIYSWAP — — Rugpull Details Source
270 Mystery — — Rugpull Details Source
271 FlokiFarmToken — — Rugpull Details Source
272 OliveOptions — binance Honeypot Details Source
273 Daughter Doge Revenge Token — — Rugpull Details Source
274 AwakenedToken — — Rugpull Details Source
275 LionKingToken — — Rugpull Details Source
276 SaturnBeam — — Rugpull Details Source
277 Polyrock Finance — — Rugpull Details Source
278 PolyRainbowToken — — Rugpull Details Source
279 Symmetry.Markets — — Rugpull Details Source
280 PolarBearToken — — Rugpull Details Source
281 Safari.Yield Finance — binance Honeypot Details Source
282 xMINT BSC — binance Honeypot Details Source
283 MEMEKiller — binance Honeypot Details Source
284 Boon Tech — ethereum Rugpull Details Source2
285 OpportyToken — ethereum Rugpull Details Source2
286 RGL — ethereum Rugpull Details Source2
287 BlockChain of Things — ethereum Rugpull Details Source2
288 ACO — ethereum Honeypot Details Source2
289 Coinbase — — Session Key Compromised Details
290 Hallowenswap — — Rugpull Details Source
291 cArbFarm — — Rugpull Details Source
292 ChocSwap.finance — — Rugpull Details Source
293 PolyGladiatorToken — — Rugpull Details Source
294 DiamondBalls — binance Honeypot Details Source
295 Lizard finance — binance Honeypot Details Source
296 Compound V2 — ethereum Arithmetic Overflow & Underflow Attacks Details Source
297 MagicToken — — Rugpull Details Source
298 PolyMountain — — Rugpull Details Source
299 PolyHomerToken — — Rugpull Details Source
300 BinanceInu.Bep20 — binance Honeypot Details Source2

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.