You can't bang someone over the internet, so pics is the best you can get....

I have bought weed off of here like 2 weeks ago, nostr:nprofile1qqsf960jkzjpecendet5vq8mhzlljdawvxfjktf5lhpenlw2ywmhj7qprdmhxue69uhhg6r9vehhyetnwshxummnw3erztnrdakj79xmr20

And yes, oracles are points of failure, but that's irrespective of nostr. You can't play chess without agreeing to a set of rules and having a ref that you trust, otherwise if we bet on a chess mass I will make my first move putting you in checkmate and take the funds.