does the bitaxe runs its own full node or you just connect it to a pool? i never tried one

Increasing the block size would increase the burden on node operators, as more resources are required to validate and store the ledger. This would likely lead to a decrease in the number of full nodes, further centralizing the network and undermining its security.

A prerequisite to prevent that kind of centralization from occurring requires the ability for bitcoin to be validated by a consumer level computer on a retail internet connection.

Copying ecash between wallets is so cool.