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
401 koroswap finance — binance Rugpull Details Source
402 Hamster Farm — polygon Rugpull Details Source
403 PolyHorse Finance — polygon Rugpull Details Source
404 Hawk Finance — polygon Rugpull Details Source
405 PolySphere — polygon Rugpull Details Source
406 Starfall Finance — binance Rugpull Details Source
407 XAN Swap — polygon Rugpull Details Source
408 PitbullSwap — binance Rugpull Details Source
409 LanternSwap — polygon Rugpull Details Source
410 RooSwap — binance Rugpull Details Source
411 Sashimi swap — polygon Rugpull Details Source
412 E-Coin — binance Honeypot Details Source2
413 Blazar Finance — polygon Rugpull Details Source
414 Area51 DeFi — binance Rugpull Details Source
415 Duck Finance — polygon Rugpull Details Source
416 CookieSwap Layer 2 — binance Rugpull Details Source
417 PoliEx Swap — binance Rugpull Details Source
418 KoalaDefi — polygon Rugpull Details Source
419 TamagochiSwap — polygon Rugpull Details Source
420 HermitSwap — binance Rugpull Details Source
421 Carousel Finance — polygon Rugpull Details Source
422 CatgeSwap — binance Rugpull Details Source
423 CarolinaReaper Finance — binance Rugpull Details Source
424 Royalflush Farm — polygon Rugpull Details Source
425 The Apollo Project — binance Rugpull Details Source
426 NekoCat — binance Rugpull Details Source
427 Frog Farm — binance Rugpull Details Source
428 Hotdog Cart Finance — binance Rugpull Details Source
429 Hippolygon — polygon Rugpull Details Source
430 OVNI Finance — binance Rugpull Details Source
431 LavaSwap — binance Rugpull Details Source
432 Jester DeFi — binance Rugpull Details Source
433 Panda Matic — polygon Rugpull Details Source
434 Helios.Cash — polygon Rugpull Details Source
435 Astro Bunny Finance — polygon Rugpull Details Source
436 Polywater — polygon Rugpull Details Source
437 BEESwap — binance Rugpull Details Source
438 Night Wolf — binance Rugpull Details Source
439 PolyGarden — polygon Rugpull Details Source
440 PolyGorilla — polygon Rugpull Details Source
441 PolyCloud — polygon Rugpull Details Source
442 Rainicorn — binance Honeypot Details Source2
443 Cobrafinance.org — binance Rugpull Details Source
444 Haikyu — binance Rugpull Details Source
445 Zombies Farm — binance Rugpull Details Source
446 Astro Yield — binance Rugpull Details Source
447 Polyvee Finance — polygon Rugpull Details Source
448 PolyGold — polygon Rugpull Details Source
449 Dino Finance — polygon Rugpull Details Source
450 PUGDOG INU — binance Rugpull Details Source
451 Shadowswap Finance — fantom Rugpull Details Source
452 Glockswap — polygon Rugpull Details Source
453 Evilswap — binance Rugpull Details Source
454 DinoSwap.farm — binance Rugpull Details Source
455 Alienswap — binance Rugpull Details Source
456 Oilrig Finance — binance Rugpull Details Source
457 Basset Farm — binance Rugpull Details Source
458 Chopper Finance — binance Rugpull Details Source
459 Pumpkin Swap — binance Rugpull Details Source
460 PolyWhat — polygon Rugpull Details Source
461 Geckoswap — binance Rugpull Details Source
462 Deerdefi — binance Rugpull Details Source
463 RUM COIN — ethereum Rugpull Details Source
464 Antisocial.finance — binance Rugpull Details Source
465 SunnyDefi finance — binance Rugpull Details Source
466 NoaSwap — binance Rugpull Details Source
467 Aladdin — binance Rugpull Details Source
468 Ozone Finance Token — binance Rugpull Details Source
469 Original.finance — binance Rugpull Details Source
470 Snakedefi — binance Rugpull Details Source
471 BACON — ethereum Rugpull Details Source
472 MYSTERYToken — binance Rugpull Details Source
473 Elara Finance — binance Rugpull Details Source
474 crocofi.org(CROCO) — binance Rugpull Details Source
475 Vine Protocol — binance Rugpull Details Source
476 Mortal Kombat — binance Rugpull Details Source
477 Dragonfly — binance Rugpull Details Source
478 Uranium U92 — binance Rugpull Details Source
479 Raccoon Swap — binance Rugpull Details Source
480 WindSwap — binance Rugpull Details Source
481 DogX Token — binance Rugpull Details Source
482 SeaShell.Financ — binance Rugpull Details Source
483 Polyfox.finance — polygon Rugpull Details Source
484 Zenko — polygon Rugpull Details Source
485 Pumaswap Token — binance Rugpull Details Source
486 Missile — binance Rugpull Details Source
487 Mummy Token — binance Rugpull Details Source
488 Fish Token — ethereum Rugpull Details Source
489 Kingdomswap — binance Rugpull Details Source
490 Pablo Escobar — binance Rugpull Details Source
491 BoobsDefi — binance Rugpull Details Source
492 Tripland — binance Rugpull Details Source
493 Demeter Chain — ethereum Rugpull Details Source
494 SageSwap Token — binance Rugpull Details Source
495 Rick.finance — binance Rugpull Details Source
496 Delicacydefi — binance Rugpull Details Source
497 Pirate Farm — — Rugpull Details Source
498 Red Rose Finance — — Rugpull Details Source
499 YFARM — — Rugpull Details Source
500 0xNinja — — 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.