Polkadot Exploit Confirmed – Attacker Walks Away With 108 ETH, DOT Price Crashes

Another day, another exploit. This time it is Polkadot's turn. A hacker minted 1 billion DOT tokens on the Ethereum mainnet. Not on Polkadot itself – on Ethereum. The attacker then dumped the entire stack in a single transaction. They walked away with 108.2 ETH, worth about $237,000. DOT price crashed 4% in minutes.

The news hit crypto Twitter fast today (April 13, 2026). Polkadot's official account posted an alert. CertiK confirmed the details. But here is the twist: the dip was relatively modest. DOT stabilized around $1.18. No 25% collapse. No panic cascade. At least not yet.

What Happened – The Hyperbridge Gateway Exploit

Based on CertiK, the attack was primarily due to a Hyperbridge gateway vulnerability. Hyperbridge is a cross‑chain protocol. The vulnerability allowed attackers to forge messages and manipulate the administrator of a Polkadot token contract on Ethereum. Once they had control, they minted 1 billion DOT tokens from nothing.

The attacker did not waste time. They dumped all 1 billion DOT in a single transaction on a decentralized exchange. The liquidity pool absorbed the sell, and the attacker received 108.2 ETH in return. That is roughly $237,000 at current prices. The total value of the minted tokens, if sold at market price, would have been enormous. But the pool only had so much liquidity. The attacker took what was there.

Polkadot confirmed the exploit on X. The price reacted immediately, dropping 4% within minutes.

Read also: Here's Why RaveDAO Pumped 1,000% This Week

Update – Polkadot Official Statement

Polkadot has released an official statement clarifying the scope of the exploit. The issue affects only the Hyperbridge Ethereum gateway contract. The attacker minted 1 billion bridged DOT on Ethereum and dumped it for $237k. However, native DOT on the Polkadot ecosystem remains completely secure and unaffected.

DOT bridged through other bridges is also safe. Hyperbridge has been paused while the team investigates. Polkadot, its parachains, and native DOT were never at risk. The damage was isolated to a single bridged representation on Ethereum.

DOT Price Action – A Modest Dip So Far

The DOT price traded around $1.23 before the news. Within minutes, it dropped to $1.18. That is a 4% decline. Not nothing, but also not a crash by crypto standards. For context, when Bittensor's Covenant AI exit happened days ago, TAO dropped 25% in hours. DOT's move was far smaller.

Source: X/@lookonchain

The price has since stabilized near $1.18. No second wave of selling. No cascade of liquidations. The market seems to be treating this as a contained exploit on a bridge contract, not a fundamental failure of the Polkadot network itself. That may change if more details emerge, but for now, the damage is limited.

How to Protect Yourself From Crypto Attacks Like This

First, understand that this exploit happened on Ethereum, not on Polkadot's main chain. The vulnerability was in a third‑party bridge contract (Hyperbridge). That is a common attack vector. Bridges are the weakest link in crypto. If you hold assets that rely on bridge representations – like wrapped DOT on Ethereum – you are exposed to the bridge's security, not just the underlying asset.

Second, reduce your exposure to bridged assets. If you want to hold DOT, hold native DOT on the Polkadot network, not a wrapped version on Ethereum or BSC. Native assets do not depend on bridge contracts.

Third, stay informed. Follow CertiK, PeckShield, and other security firms. When a vulnerability is disclosed, move your funds out of affected contracts quickly. In this case, the attack happened and was over within minutes. There was no warning. That is the reality of DeFi. The only real protection is diversification and using native assets whenever possible.

Overall, Polkadot is a major project. This exploit will hit news, no doubt about it. But unlike Bittensor's governance crisis, which caused a 25%+ drop and ongoing bleeding, DOT's reaction has been relatively calm. A 4% dip is modest. The attacker walked away with $237K, not millions. The damage could have been far worse. For now, DOT holders are lucky. Next time, they may not be.