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Files on Bitcoin
Every B:// file in the blocks Bitblocks stores, newest first. Each one is read from its transaction as this page loads.
B:// is the file protocol unwriter published in 2019: a file's bytes, media type and name in one transaction output.
A file's C:// address is the sha256 of its bytes, so every copy of the same file shares it.
Files open at
/b/<txid>
as untrusted content, with scripts switched off.
| File | Type | Size | Block | C:// address | Transaction |
|---|---|---|---|---|---|
| file.jpeg | image/jpeg | 162,756 B | 955,715 | c://c397c22e…a2b8dfe1 | 1689e27f…5850604b |
| file.txt | text/plain | 980 B | 955,715 | c://b2069e9d…15ea4960 | b686747b…c52395fc |
| file.txt | text/plain | 74 B | 955,715 | c://984bd31a…5cc92f1d | 9a43b099…a45523f1 |
| file.txt | text/plain | 980 B | 955,715 | c://d8a35847…15e9511b | f4da7122…ae4e1f97 |
| file.txt | text/plain | 1,909 B | 955,715 | c://28f9d813…ccd1574e | 9f42b855…7000a874 |
| untitled | text/markdown | 1,721 B | 955,715 | c://499f8115…47800826 | 7080ef63…cb97f9a0 |
| No B:// file could be read from this transaction. | 955,715 | fdd4fcbb…4d159f04 | |||
| file.txt | text/plain | 240 B | 955,714 | c://2ca6442a…45e26234 | 109851d9…baecb809 |
| untitled | text/markdown | 15 B | 955,714 | c://7961358a…93c73be5 | 4dc1825d…268ac171 |
| file.txt | text/plain | 131 B | 955,714 | c://227263af…f4b11b83 | 8b2c7bba…40675c3a |
| No B:// file could be read from this transaction. | 955,714 | 716f1efd…caba80b0 | |||
| file.txt | text/plain | 1,909 B | 955,715 | c://28f9d813…ccd1574e | 8aa81ae6…605c38d6 |
| No B:// file could be read from this transaction. | 955,715 | eca2c7dd…df68aebb | |||
| untitled | text/markdown | 6 B | 955,714 | c://cd36e2f4…d80ba324 | ad39c122…72a9f955 |
| untitled | text/markdown | 6 B | 955,714 | c://cd36e2f4…d80ba324 | bd82dfe2…ccb512d6 |
| untitled | text/markdown | 6 B | 955,714 | c://cd36e2f4…d80ba324 | b8aa5fa5…852853a0 |
| No B:// file could be read from this transaction. | 955,714 | 2aae5fff…60903dad | |||
| untitled | text/markdown | 6 B | 955,714 | c://cd36e2f4…d80ba324 | fa0b95ca…fc261bdb |
| untitled | text/markdown | 153 B | 955,714 | c://6699ee1a…031f7ded | 8ee1f055…e38395dc |
| file.txt | text/plain | 980 B | 955,715 | c://d8a35847…15e9511b | 9f33b2a2…f1c9698b |
| untitled | text/markdown | 662 B | 955,715 | c://b074b02c…17c3d807 | 5c7a06c1…6a972873 |
| file.txt | text/plain | 980 B | 955,715 | c://b2069e9d…15ea4960 | 5e1e32d3…f61144c1 |
| untitled | text/markdown | 1,721 B | 955,715 | c://499f8115…47800826 | 5ff217ab…4badc2bc |
| file.txt | text/plain | 980 B | 955,715 | c://b2069e9d…15ea4960 | 6bb7eb75…9e15aad0 |
| file.jpeg | image/jpeg | 162,756 B | 955,715 | c://c397c22e…a2b8dfe1 | fb760664…da4a610f |
The list grows as the sync stores more blocks. B:// and C:// are unwriter's conventions; this is an independent reading of them from the chain. For a namespace's own files and routes, see the Bitcom registry .