Skip to main content


See FIP1 for more info

What is a FIP?

FIP stands for Fuse Improvement Proposal. A FIP is a design document providing information to the Fuse community or describing a new feature for Fuse Network. The FIP should provide motivation and technical specifications for the feature.

FIP-1Introduction and explanation about FIP'sDone
FIP-2Enabling delegation of fuse tokens to validatorsDone
FIP-3Lowering the stake to run a validator node to 100K FuseDone
FIP-4Multi validators, validators can run multiple nodesUndone
FIP-5Validators key splitting, validator will have separated keysUndone
FIP-6Bridge implementation should be changeable by votingUndone
FIP-7Tiny Ethereum Network transactions on end of cycleUndone
FIP-8Adjusting Block Rewards by the Validator's StakeDone

Supported EIPs

Ethereum Improvement Proposals (EIPs) supported by FUSE:

EIP-150Gas cost changes for IO-heavy Operations
EIP-155Simple replay attack protection
EIP-160EXP cost increase
EIP-161State trie clearing
EIP-140REVERT instruction
EIP-214New opcode STATICCALL
EIP-658Embedding transaction status code in receipts
EIP-145Bitwise shifting instructions in EVM
EIP-1014Skinny CREATE2
EIP-1283Net gas metering for SSTORE without dirty maps
EIP-1344ChainID opcode
EIP-1706Disable SSTORE with gasleft lower than call stipend
EIP-1884Repricing for trie-size-dependent opcodes
EIP-2028Transaction data gas cost reduction
EIP-2929Gas cost increases for state access opcodes
EIP-2930Optional access lists

EVM Version

Based on the implemented Ethereum Improvement Proposals (EIPs), Fuse chain is compatible with the EVM version up to and including the Berlin network upgrade. In addition EIP-1559 is part of London network upgrade.