{"type":"rich","version":"1.0","title":"dr.fred wrote","author_name":"dr.fred (npub1he…ymce6)","author_url":"https://yabu.me/npub1heysg4r5mq354k7n3hlk0wae4c4x6p5kh7qfu38fe5f24s82vvvqxymce6","provider_name":"njump","provider_url":"https://yabu.me","html":"can anyone tell me how to count the number of btc in circulation?"}