Polkadot Exploit: The DOT That Went Wallet-Wild

On-chain chatter says an attacker minted about one billion DOT and dumped the entire supply in a single transaction, netting roughly 108.2 ETH in value. The exploit didn’t strike Polkadot’s native chain; it hit the Ethereum-side token implementation, which screams: there’s a problem somewhere in the wrapper/mint authority bridge that allows DOT to exist as a transferable asset on Ethereum.

![The evolution from ChaCha20 to EChaCha20 demonstrates an expansion of the state from [latex]4 \times 4[/latex] to [latex]6 \times 6[/latex], achieved through the addition of 4-bit (purple) and 2-bit (cyan) rotations to its QR-F, thereby enhancing the cipher’s complexity and security.](https://arxiv.org/html/2604.08862v1/images/evo.png)