EIP-7607: Hardfork Meta - Fusaka

EIPs included in the Fulu/Osaka Ethereum network upgrade.

Metadata

Status: Last CallMetaCreated: 2024-02-01

Authors

Tim Beiko (@timbeiko), Alex Stokes (@ralexstokes), Ansgar Dietrichs (@adietrichs)

Requires

EIP-7600

Links

GitHub page Discussion on Ethereum Magicians

Abstract

This Meta EIP lists the EIPs formally Scheduled for Inclusion in the Fulu/Osaka network upgrade.

Specification

Definitions for Scheduled for Inclusion, Considered for Inclusion, Proposed for Inclusion and Declined for Inclusion can be found in EIP-7723.

EIPs Scheduled for Inclusion

Core EIPs

EIP-7594: PeerDAS - Peer Data Availability Sampling
EIP-7823: Set upper bounds for MODEXP
EIP-7825: Transaction Gas Limit Cap
EIP-7883: ModExp Gas Cost Increase
EIP-7917: Deterministic proposer lookahead
EIP-7918: Blob base fee bounded by execution cost
EIP-7934: RLP Execution Block Size Limit
EIP-7939: Count leading zeros (CLZ) opcode
EIP-7951: Precompile for secp256r1 Curve Support

Other EIPs

EIP-7892: Blob Parameter Only Hardforks
EIP-7642: eth/69 - Drop pre-merge fields
- Client teams MUST support this EIP by the activation of the Fusaka network upgrade.
EIP-7910: eth_config JSON-RPC Method
- Client teams MUST support this JSON RPC method by the activation of Fusaka network upgrade.
EIP-7935: Set default gas limit to 60M

Activation

Network Name	Activation Epoch	Activation Timestamp	Activation Time (UTC)	Fork ID
Holešky	`165120`	`1759308480`	2025-10-01 08:48:00	`0x783def52`
Sepolia	`272640`	`1760427360`	2025-10-14 07:36:00	`0xe2ae4999`
Hoodi	`50688`	`1761677592`	2025-10-28 18:53:12	`0xe7e0e7ff`
Mainnet	`TBD`	`TBD`	TBD	`TBD`

Blob Parameter Only Forks

Blob Parameter Only (BPO) forks, defined in EIP-7892, are scheduled alongside Fusaka to raise blob capacity without additional protocol changes.

BPO 1

Network Name	Activation Epoch	Activation Timestamp	Activation Time (UTC)	Fork ID
Holešky	`166400`	`1759800000`	2025-10-07 01:20:00	`0xa280a45c`
Sepolia	`274176`	`1761017184`	2025-10-21 03:26:24	`0x56078a1e`
Hoodi	`52480`	`1762365720`	2025-11-05 18:02:00	`0x3893353e`
Mainnet	`TBD`	`TBD`	`TBD`	`TBD`

BPO 2

Network Name	Activation Epoch	Activation Timestamp	Activation Time (UTC)	Fork ID
Holešky	`167936`	`1760389824`	2025-10-13 21:10:24	`0x9bc6cb31`
Sepolia	`275712`	`1761607008`	2025-10-27 23:16:48	`0x268956b6`
Hoodi	`54016`	`1762955544`	2025-11-12 13:52:24	`0x23aa1351`
Mainnet	`TBD`	`TBD`	`TBD`	`TBD`

Rationale

This Meta EIP provides a global view of all changes included in the Fusaka network upgrade, as well as links to full specification.

Security Considerations

None.