Everybody should study #bitcoin.

nostr:nevent1qqsxpg3d89jupc9qyp5pwlea32aqyg80sl303cjddn7xkgsnvd2w2hgpp4mhxue69uhkummn9ekx7mqzyq7pm8nxh9d7mn9smrcusm5pmk5vp8npyjd96fasdagrlukrvshnxqcyqqqqqqgk22dl6