Over $2.5 billion used to be stolen in detrimental-chain crypto bridge hacks from 2021 to 2022, in accordance to a account by Token Terminal. However, despite several makes an are trying by developers to improve bridge security, a debate from December 2022 to January 2023 on the Uniswap DAO boards has laid bare security weaknesses that proceed to exist in blockchain bridges.
In the previous, bridges contend with Ronin and Horizon broken-down multisig wallets to make certain that that handiest bridge validators would possibly perhaps per chance authorize withdrawals. As an example, Ronin required 5 out of 9 signatures to withdraw, whereas Horizon required two out of 5. However attackers figured out straightforward the most engrossing method to bypass these systems and withdrew hundreds and hundreds of bucks price of crypto, leaving users of these bridges with unbacked tokens.
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