earth-3537401_1280 Maximum Effective Balance Overview Activation and Exiting Worked Examples Background Reading External References Cover art! Image by Gerd Altmann from Pixabay.

ERA There's already a client using their own format for archiving blocks: ERA format This archive mechanism is fixed slot length, which means a limited number of files, and also stores the initial state of the archive, which allows for replaying blocks from part way through the progression of the chain, without needing to replay blocks from genesis. This is neat, but ultimately means storing a lot of state data, which is getting quite large. SSZ Could simply store block_slot.ssz