A security researcher discovered a potential vulnerability that could have resulted in the theft of up to $200 million from three Ethereum-compatible parachains on the Polkadot network: Moonbeam, Astar Network and Acala. The vulnerability was found in June in Frontier, a software used for “wrapping” native tokens on the three blockchain projects on the Polkadot network. The teams behind the three parachains worked to fix the issue and released an emergency patch before any malicious actors could exploit it, and