[vidanay]

That is a logical solution for Bitcoin. Doesn't Etherium track transactions back to the beginning of time though? That sounds like a Shlemiel The Painter problem.

[azamatms]

There's already full-node implementations that address state tree pruning: https://wiki.parity.io/Getting-Synced#database-pruning

[vidanay]

@azamatms Thanks!