The post Polkadot Exploit: 1B DOT Minted, Dumped for $237K, Price Crashed appeared first on Coinpedia Fintech News
Polkadot (DOT), an open-source sharded multichain protocol, was exploited after an attacker minted 1 billion tokens and dumped them for 108.2 ETH ($237K), crashing the bridged DOT price from $1.22 to near $1.
Multiple exchanges, including Upbit, suspended DOT deposits and withdrawals in response.
How The Polkadot (DOT) Exploit Happened
On April 13, 2026, the attacker sent a fake proof to a vulnerable contract on Ethereum. This proof looked real to the system, so it passed the security checks and triggered an important function in the bridge.
That single action caused two major problems. First, it gave the attacker full control of the bridged DOT token contract by changing the admin to their own wallet. This meant they now had the power to manage and create tokens.
After gaining control, the attacker minted 1 billion DOT tokens out of thin air and sent them to
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