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
401 ElonTech — binance Honeypot Details Source
402 KitKat — binance Honeypot Details Source
403 SHINGEKINOTOKEN — binance Honeypot Details Source
404 Goldfinch Finance — ethereum Honeypot Details Source
405 element.fi — ethereum Honeypot Details Source
406 Ailuropodinae — binance Rugpull Details Source
407 Predator Swap — binance Rugpull Details Source
408 DonutDeFi — binance Rugpull Details Source
409 NoMoreDogs — binance Rugpull Details Source
410 PolyMiner — polygon Rugpull Details Source
411 Hamster Swap — binance Rugpull Details Source
412 Hammy Finance — binance Rugpull Details Source
413 PuffinSwap — binance Rugpull Details Source
414 Cupcake Defi — binance Rugpull Details Source
415 Farm Ninja — polygon Rugpull Details Source
416 Mew Two — binance Rugpull Details Source
417 Mew — binance Rugpull Details Source
418 RoboBuddy — binance Rugpull Details Source
419 rabbitfarm.finance — binance Rugpull Details Source
420 Cat.Moji Swap — binance Rugpull Details Source
421 MewMegaX Token — binance Rugpull Details Source
422 WeedSwap — polygon Rugpull Details Source
423 NutPie — binance Rugpull Details Source
424 Flamingo Lagoon — polygon Rugpull Details Source
425 DonaldSwap — binance Rugpull Details Source
426 koroswap finance — binance Rugpull Details Source
427 Hamster Farm — polygon Rugpull Details Source
428 PolyHorse Finance — polygon Rugpull Details Source
429 Hawk Finance — polygon Rugpull Details Source
430 PolySphere — polygon Rugpull Details Source
431 Starfall Finance — binance Rugpull Details Source
432 XAN Swap — polygon Rugpull Details Source
433 PitbullSwap — binance Rugpull Details Source
434 LanternSwap — polygon Rugpull Details Source
435 RooSwap — binance Rugpull Details Source
436 Sashimi swap — polygon Rugpull Details Source
437 E-Coin — binance Honeypot Details Source
438 Beets Farm — polygon Rugpull Details Source
439 Blazar Finance — polygon Rugpull Details Source
440 Area51 DeFi — binance Rugpull Details Source
441 Duck Finance — polygon Rugpull Details Source
442 CookieSwap Layer 2 — binance Rugpull Details Source
443 PoliEx Swap — binance Rugpull Details Source
444 KoalaDefi — polygon Rugpull Details Source
445 TamagochiSwap — polygon Rugpull Details Source
446 HermitSwap — binance Rugpull Details Source
447 Carousel Finance — polygon Rugpull Details Source
448 CatgeSwap — binance Rugpull Details Source
449 CarolinaReaper Finance — binance Rugpull Details Source
450 Royalflush Farm — polygon Rugpull Details Source
451 The Apollo Project — binance Rugpull Details Source
452 NekoCat — binance Rugpull Details Source
453 Frog Farm — binance Rugpull Details Source
454 Hotdog Cart Finance — binance Rugpull Details Source
455 Hippolygon — polygon Rugpull Details Source
456 OVNI Finance — binance Rugpull Details Source
457 LavaSwap — binance Rugpull Details Source
458 Jester DeFi — binance Rugpull Details Source
459 Panda Matic — polygon Rugpull Details Source
460 Helios.Cash — polygon Rugpull Details Source
461 Astro Bunny Finance — polygon Rugpull Details Source
462 Polywater — polygon Rugpull Details Source
463 BEESwap — binance Rugpull Details Source
464 Night Wolf — binance Rugpull Details Source
465 PolyGarden — polygon Rugpull Details Source
466 PolyGorilla — polygon Rugpull Details Source
467 PolyCloud — polygon Rugpull Details Source
468 Rainicorn — binance Honeypot Details Source
469 Cobrafinance.org — binance Rugpull Details Source
470 Haikyu — binance Rugpull Details Source
471 Zombies Farm — binance Rugpull Details Source
472 Astro Yield — binance Rugpull Details Source
473 Polyvee Finance — polygon Rugpull Details Source
474 PolyGold — polygon Rugpull Details Source
475 PolyWeed — polygon Rugpull Details Source
476 Dino Finance — polygon Rugpull Details Source
477 PUGDOG INU — binance Rugpull Details Source
478 Shadowswap Finance — fantom Rugpull Details Source
479 Glockswap — polygon Rugpull Details Source
480 Evilswap — binance Rugpull Details Source
481 DinoSwap.farm — binance Rugpull Details Source
482 Alienswap — binance Rugpull Details Source
483 Oilrig Finance — binance Rugpull Details Source
484 Basset Farm — binance Rugpull Details Source
485 Chopper Finance — binance Rugpull Details Source
486 Pumpkin Swap — binance Rugpull Details Source
487 PolyWhat — polygon Rugpull Details Source
488 Geckoswap — binance Rugpull Details Source
489 Deerdefi — binance Rugpull Details Source
490 RUM COIN — ethereum Rugpull Details Source
491 Antisocial.finance — binance Rugpull Details Source
492 SunnyDefi finance — binance Rugpull Details Source
493 NoaSwap — binance Rugpull Details Source
494 Aladdin — binance Rugpull Details Source
495 Ozone Finance Token — binance Rugpull Details Source
496 Original.finance — binance Rugpull Details Source
497 Snakedefi — binance Rugpull Details Source
498 BACON — ethereum Rugpull Details Source
499 MYSTERYToken — binance Rugpull Details Source
500 Elara Finance — binance 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.