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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.txt | text/plain | 980 B | 956,143 | c://096729d5…0e7f7702 | 955a57c9…b5056c89 |
| untitled | text/markdown | 6 B | 956,143 | c://cd36e2f4…d80ba324 | 85f570da…a8af9824 |
| file.png | image/png | 255,683 B | 956,144 | c://3ca93f3c…2fe9edaa | 1899de72…0ff59ae1 |
| No B:// file could be read from this transaction. | 956,144 | bc0c80d4…4f3ecda6 | |||
| file.txt | text/plain | 237 B | 956,144 | c://963206d3…db717f6c | c4a33339…b4558e31 |
| No B:// file could be read from this transaction. | 956,144 | 3abf105d…7fbf1c5a | |||
| untitled | text/markdown | 6 B | 956,144 | c://cd36e2f4…d80ba324 | 22f8a72b…e3216f4a |
| untitled | text/markdown | 6 B | 956,143 | c://cd36e2f4…d80ba324 | f2b1e9cf…39042864 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | 782f4006…ca6cbd7e |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | 66ee0e5f…cfc1438b |
| untitled | application/json | 203 B | 956,140 | c://bc179222…3c07f3ff | 064ea1b7…09b8ca91 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | d86ab47b…e78cb62a |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | 6d285fb2…036153c8 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | 5388ed15…51b9aa15 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | 291d3502…333630e6 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | 4ae5bee4…84284d42 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | d8163f6c…9e4047af |
| untitled | text/markdown | 6 B | 956,142 | c://cd36e2f4…d80ba324 | 037ecdf6…bf92e403 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | ad40eebc…83220805 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | a0672d48…56a8dc15 |
| untitled | text/markdown | 6 B | 956,142 | c://cd36e2f4…d80ba324 | 4d1b4de5…0117c5b7 |
| untitled | text/markdown | 6 B | 956,142 | c://cd36e2f4…d80ba324 | db1ad672…922797c3 |
| untitled | text/markdown | 6 B | 956,142 | c://cd36e2f4…d80ba324 | 51750fb7…1c393f18 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | e2bb6de8…dedbcf08 |
| untitled | text/markdown | 3 B | 956,140 | c://9279c116…da95f6cf | eef37584…f89e904f |
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 .