# epbs-devnet-0 spec
:::info
:mega: epbs-devnet-0 targets to launch by 4th of March 2026
:::
:::info
:mega: On epbs-devnet-0, only self-built payloads will be tested.
:::
## EIP list for epbs-devnet-0
[EIP-7732: Enshrined Proposer-Builder Separation](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-7732.md) :new:
**Key:**
- :up:, EIP has updated!
- :new:, new EIP added.
### Implementation tracker CL
| Feature/EIP | Lodestar | Lighthouse | Prysm | Teku | Grandine | Nimbus
| ----------- | -------- | ---------- | ----- | --- | --- | --- |
| **EIP-7732** | :heavy_check_mark: | :heavy_check_mark: | :hammer: | :hammer: | :question: | :hammer:
### Test Releases
**Consensus Specs:** [`v1.7.0-alpha.2`](https://github.com/ethereum/consensus-specs/releases/tag/v1.7.0-alpha.2) :heavy_check_mark:
**Execution Specs:** N/A
### Spec versions required & Open PRs
**Beacon Metrics**
**Execution Metrics**
**Beacon API**
**Builder Specs**
**Consensus Specs**
**Execution APIs**
For this devnet we are going to use:
`engine_forkchoiceUpdatedV3`
`engine_newPayloadV5`
`engine_getPayloadV5`
**Execution Spec PRs**
## Kurtosis Interop Conifg (Pre-devnet testing)
```yaml=
participants_matrix:
el:
- el_type: geth
el_image: ethpandaops/geth:epbs-devnet-0
cl:
- cl_type: lighthouse
cl_image: ethpandaops/lighthouse:epbs-devnet-0
cl_extra_params:
- --epochs-per-migration 99999
- cl_type: lodestar
cl_image: ethpandaops/lodestar:epbs-devnet-0
- cl_type: nimbus
cl_image: ethpandaops/nimbus-eth2:epbs-devnet-0-minimal
- cl_type: prysm
cl_image: ethpandaops/prysm-beacon-chain:epbs-devnet-0-minimal
- cl_type: teku
cl_image: ethpandaops/teku:master
network_params:
gloas_fork_epoch: 1
preset: minimal
additional_services:
- dora
snooper_enabled: true
global_log_level: debug
dora_params:
image: ethpandaops/dora:gloas-support
```