TODO may consider a whitelist in the case of Ethereum scams.

TODO the output should include the snapshot signature, then it can just be verified against the active kernel nodes public key.

For all Bitcoin like chains.

For all Ethereum like chains.

For Mixin Kernel mainnet.

Observer can terminate all signer and keeper nodes.

An Encoding is a base 91 encoding/decoding scheme defined by a 91-character alphabet.