ME News reports that on August 25 (UTC+8), the Ethereum community released an EIP proposal titled “Support for Post-Quantum Deposit Contracts.” The proposal includes introducing a new contract that supports variable-length public keys and credential metadata, along with explicit scheme identifiers (scheme 0 is reserved for the current BLS deposits). The contract no longer relies on the Merkle tree structure of the old deposit contract but instead transmits deposit information to the consensus layer via execution requests derived from logs according to EIP-7685. Additionally, the contract features an irreversible mode controlled by protocol system calls: deposits are initially disabled, BLS deposits are enabled at a specified timestamp, and BLS deposits are permanently disabled at a later timestamp (with no possibility of reactivation). During the migration period, execution clients must merge deposit requests from both the old and new contracts. (Source: Foresight News)
Ethereum Community Proposes Post-Quantum Deposit Contract EIP
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Ethereum news: On August 25 (UTC+8), the Ethereum community proposed a new EIP for a "Post-Quantum Deposit Contract." The plan introduces a new contract to support variable-length public keys and credential metadata, with a clear scheme identifier (Scheme 0 for current BLS deposits). The contract uses EIP-7685’s log-derived execution requests instead of the legacy Merkle tree structure. It also includes an irreversible mode: deposits are initially disabled, BLS deposits activate at a predetermined time, and are then permanently disabled. During the transition, execution clients must aggregate data from both contracts. This Ethereum ecosystem update underscores a critical step in the network’s upgrade process.
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