> As for merchant fraud, users are expected to establish business relationships with trustworthy vendors That might work for large transactions, or repeated sm

> As for merchant fraud, users are expected to establish business relationships with trustworthy vendors That might work for large transactions, or repeated small transactions with the same vendor (assuming there isn't a major regression of trust), but it utterly collapses at scale and diversity of buyers and sellers who can't possibly vet each other for trust (AKA any modern economy). It also would balkanize/silo trade. > and hold them accountable themselves. Sounds a lot like the old "break some kneecaps" approach. There's a reason such accountability mechanisms tend to be utilized in criminal enterprises.