# CHANGE LOG
#### v0.3x.x ~ v0.4x.x
- Add beacon(ETH2) based supports
#### v0.20.x
- Support double addresses
- A local address
- An optional external address
#### v0.13.x
- Mark all ENVs as `protected` by default
- `Destroy` / `DestroyAll` / `KickNode` is not allowed for a `protected` ENV
- `Unprotect` operation is designed to remove the `protected` mark
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