# Run a CKB Dev Chain Using Eaglesong
## Metadata
**Status**:: #x
**Zettel**:: #zettel/permanent
**Created**:: [[2023-12-09]]
**Topic**:: [[♯ CKB]]
## Synopsis
Init a dev chain and initialize the miner address.
```
ckb init -c dev --ba-args 0x...
```
Update `specs/dev.toml` to use `Eaglesong` as the pow method.
```toml
[pow]
func = "Eaglesong"
```
Use `EaglesongSimple` in ckb-miner.toml:
```toml
[[miner.workers]]
worker_type = "EaglesongSimple"
threads = 1
```
## References
![[Journal 2023-12-08#08 59 PoW Dev Chain]]