Ethereum cofounder Vitalik Buterin has sounded a warning against the pitfalls of decentralized finance (DeFi) and self-custody, namely of bugs in smart contract code, in a post from his verified Twitter account.
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- “The ‘centralized anything is evil by default, use DeFi and self-custody’ ethos did very well this week,” wrote Buterin, referring to the loss of trust in centralized exchanges that led to record exchange outflows, following FTX’s collapse.
- “But remember that it too has risks: bugs in smart contract code,” continued Buterin, adding that developers should “keep code simple,” and perform “audits” and “formal verification,” to prevent smart contract exploits.
- “The one I worry about most is if we have $10B in a ZK-rollup 2y from now and it gets hacked because of a bug in the circuit constraint code or the EVM wrapper around it,” wrote Buterin, attaching his blog post titled “Hardening rollups with multi-proofs.”
- ETH shed 4.7% of its value in the last 24 hours, changing hands at US$1,205 at 11 p.m. in Hong Kong on Wednesday, according to CoinGecko data.
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