# Withdrawal Client Milestone Tracker

Similar doc to the one we had for the merge. Trying to track all initiatives of all clients.

## Useful Links

EL spec: https://eips.ethereum.org/EIPS/eip-4895
CL spec: https://github.com/ethereum/consensus-specs/blob/dev/specs/capella/beacon-chain.md

Static EL test vectors: https://hackmd.io/PqZgMpnkSWCWv5joJoFymQ
EL engine api fuzzer: https://github.com/MariusVanDerWijden/merge-fuzz/tree/withdrawals

## Status

|M0|M1|M2|M3|M4|M5|Docs|
|--|--|--|--|--|--|--|
[Geth][Geth-Link] |||||||
[Nethermind][Neth-Link] |||||||
[Besu][Besu-Link] |||||||
[Erigon][Erigon-Link] |||||||
[EthereumJS][EJS-Link] |||||||
||||||||
[Prysm][Prysm-Link]|||||||
[Lighthouse][LH-Link]|||||||
[Teku][Teku-Link]|||||||
[Nimbus][Nimbus-Link]|||||||
[Lodestar][Lodestar-Link]|||||||

[Geth-Link]: https://github.com/ethereum/go-ethereum/pull/25838
[Neth-Link]: https://github.com/NethermindEth/nethermind/pull/4731
[Besu-Link]: https://github.com/hyperledger/besu/pull/4552
[EJS-Link]: https://github.com/ethereumjs/ethereumjs-monorepo/pull/2353
[Prysm-Link]: https://github.com/prysmaticlabs/prysm/issues/11077
[LH-Link]: https://github.com/sigp/lighthouse/tree/eip4844
[Lodestar-Link]: https://github.com/ChainSafe/lodestar/pull/4679
[Teku-Link]: https://github.com/ConsenSys/teku/issues/5680
[Nimbus-Link]: https://github.com/status-im/nimbus-eth2/pull/4089

## Milestones

- M0: *Implementation started*
- Signify that implementation has started by creating a tracking issue and linking in the above table
- Docs: *Core Documentation*
- EL/CL: detailed documentation on how to run your client with withdrawals enabled
- Link under “Docs” in milestone table
- M1: *Spec Implemented*
- EL/CL passes test vectors
- M2: *1-to-1 Interop*
- Perform the following with at least two separate teams:
- run 1:1 devnet without transition (Capella == 0)
- Record teams interop’d with alongside ✅ in milestone table – e.g. “✅ lodestar, teku”
- M3: *Join the devnet*
- Join the devnet
- Instructions and parameters for the devnet will be released in due time
- Create a README for the public to join the devnet with your client
- Test the withdrawal functionality on the devnet
- M4: *Stretch goal tbd*
- M5: *Stretch goal tbd*