Epicenter - Learn about Crypto, Blockchain, Ethereum, Bitcoin and Distributed Technologies cover image

Nick Johnson: ENS - Multichain ENS Domains and Decentralised Identities

Epicenter - Learn about Crypto, Blockchain, Ethereum, Bitcoin and Distributed Technologies

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Retrieving off-chain data with proofs and different trust models

This chapter explores how contracts can retrieve data from off-chain sources and provide proofs of correctness to the client, ensuring trust without liveness risk. It also discusses the applicability of this strategy to various roll up methods, including those utilizing ZK proofs, and how the trust model depends on the source being read from.

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