The crypto business model that actually scales, Mike Silagadze argues, is a wood chipper. An exchange or a meme-coin factory feeds users in, takes a cut, and waits for the accounts to get wiped out. On Thursday, Silagadze — founder and CEO of EtherFi — said he would rather go out of business than run his company that way. His alternative went live as he said it, during an appearance on the Bankless podcast: a self-custodial crypto bank that now bundles tokenized stocks and metals, portfolio-backed loans through Aave, automatic yield on idle deposits, and fiat rails covering 70 currencies. He calls it “the first non-gambling crypto consumer app.” The prize is the neobanking industry — roughly $300 billion in revenue by his…