Monitoring

Polkatrain

MEDIUMPolkadot·Reward Logic Flaw·#408 all-time
$3.0M stolenMonday, April 5, 2021 · 2005 days ago

Corpus updated 2026-10-01

Situation Summary

4/5/2021 — EXPLOIT DETECTED

$3.0M drained from Polkatrain on Polkadot.

TECHNIQUE: REWARD LOGIC FLAW

Nearby in the record

Force DAO
4/4/2021$367K
PancakeSwap
4/12/2021$1.8M
Turtle Dex
3/20/2021$2.5M
EasyFi
4/19/2021$59.0M
Iron Finance
3/16/2021$170K
Uranium Finance
4/28/2021$57.2M
← All incidents

Source: DefiLlama · 1290 recorded incidents · data as of 2026-10-01 07:36 UTC

Monitoring Pro · early access

The free API stays free. Pro adds higher rate limits, full history, and webhooks — for teams building on the feed.

Leave your email to hear when it opens. One email, no marketing.