pre-bitcoin http://hashcash.org/stamps/ stamp collection digital philately. never liked artificially scarce physical collectibles. football cards a scam, school kids in UK used to buy and swap. artificially rare ones to keep people buying. but verifiable digital stamps, benchmarks ✅

Published by andrewpbreen@gmail.com on

pre-bitcoin hashcash.org/stamps/ stamp collection digital philately. never liked artificially scarce physical collectibles. football cards a scam, school kids in UK used to buy and swap. artificially rare ones to keep people buying. but verifiable digital stamps, benchmarks ✅

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