need to cache merkle root of big lists (Transactions), as well as to allow setting the cached root (so needing cached symbol import) so that if we have for e.g. transactionsRoot, that can be set on transactions helping avoid merklelization of it in big blocks
need to cache merkle root of big lists (Transactions), as well as to allow setting the cached root (so needing cached symbol import) so that if we have for e.g. transactionsRoot, that can be set on transactions helping avoid merklelization of it in big blocks