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Last week, Vitalik Buterin, Ethereum (Ethereum) co-founder, express disapproval Regarding the emergence of cross-chain bridges, citing security vulnerabilities due to their interdependence. However, in the days that followed, developers working on cross-chain technology largely dismissed his suspicions. In a statement to Cointelegraph, CTO Kadan Stadelmann Atomic Swaps Blockchain Komodo, in response to Vitalik’s criticism:
“What we ultimately need is true decentralization. For example, instead of relying on one or two trusted bridges with a single point of failure, we should work towards a future with numerous bridges that are secure, trustless and censorship-resistant.”
Erik Ashdown, head of ecosystem growth at data analytics and blockchain indexer Covalent, agrees:
Vitalik is a smart cookie and he’s clearly done thinking about the bridge state. However, he said bridges are a bad idea and won’t work, which is the equivalent of the Bitcoin community saying in 2015 that Ethereum and smart contracts were a bad idea.
Stadelmann further reiterated that “cross-chain interoperability is the future,” and companies like Polkadot (point) and the universe (atom), as well as atomic decentralized exchanges, could disrupt Ethereum’s economies of scale. In support of this claim, Stadelmann cites expensive gas fees on the blockchain to explain why users prefer alternatives.
However, there are unresolved issues surrounding cross-chain blockchains. Ashdown gave an example of smart contract composability, if a token was sent through one bridge, it would not have the same contract address if it crossed over another bridge. This means that anyone else sending a token through another bridge will not be able to interact with the original token sent from the main bridge.
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