EVM Behavior

Signet is the most EVM-compatible rollup. This page describes the (very few) differences between Signet and Ethereum Mainnet EVM behavior.

USD Native Asset

The native asset on Signet is USD. USD has 18 decimals, like ETH on Ethereum Mainnet. See the Passage contract for more information on how USD is minted.

Inherited header values

The following opcodes inherit the values of the Ethereum block:

PREVRANDAO — block.difficulty and block.prevrandao
TIMESTAMP — block.timestamp

Signet blocks always use the same timestamp as the current Ethereum block.

Disabled Opcodes

The following opcodes are disabled in Signet:

BLOBHASH — EIP-4844 is not supported.
BLOBBASEFEE — EIP-4844 is not supported.

Precompiles

Signet supports the same precompiles as ethereum, plus the following additional precompile:

secp256r1 signature verification as specified in RIP-7212 at address 0x100.

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