Bitcoin only, not crypto (including not eth), not alt coin, not meme coin, not defi, not blockchain

Bitcoin only, learn why, study #bitcoin

nostr:nevent1qqsz82wg8tgfpav9v6fp489f4sf0c42te7nnhnzg5el9hr06dtz0j0qpzemhxue69uhhyetvv9ujuurjd9kkzmpwdejhgw4ex5t