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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 | 11,116 B | 957,492 | c://e5e1d0b2…df1656fd | 37cd1bfb…b39a97ec |
| untitled | text/markdown | 32 B | 957,492 | c://2d41373a…bfa6ffc5 | fb235fdd…d4b133eb |
| untitled | text/markdown | 9 B | 957,492 | c://44b33192…4dc26b4c | e9dc2f9c…93168dd6 |
| file.txt | text/plain | 448 B | 957,493 | c://f3e0951e…9b7a6230 | 02a696e3…a111bb62 |
| No B:// file could be read from this transaction. | 957,493 | 0e6d8794…e49f97d9 | |||
| untitled | text/markdown | 3 B | 957,493 | c://9279c116…da95f6cf | 5f88ac8f…867ae7ba |
| file.txt | text/plain | 17,851 B | 957,493 | c://48c078e0…2ee7d053 | c54d5d19…716f7827 |
| untitled | text/markdown | 43 B | 957,493 | c://1201c0d5…f03372b3 | 01f665a9…194f9ea3 |
| file.txt | text/plain | 7,267 B | 957,493 | c://857e2142…a98be4b4 | c6f25362…36916149 |
| untitled | text/markdown | 3 B | 957,493 | c://9279c116…da95f6cf | db3e5192…62ad6b76 |
| file.txt | text/plain | 295 B | 957,492 | c://9e546c0b…78cd3f90 | 1d2ad90b…19afba0e |
| untitled | text/markdown | 304 B | 957,492 | c://d6d1ca7f…7cfbe210 | a14aefbc…bae73c6b |
| file.txt | text/plain | 7,267 B | 957,493 | c://857e2142…a98be4b4 | 50b4d6be…1cb3a732 |
| untitled | text/markdown | 32 B | 957,493 | c://e9bdbecf…36c4e160 | 88cb2fd0…25f7b103 |
| untitled | text/markdown | 142 B | 957,492 | c://cae64efb…f58e05dc | 5893f833…72ecbc2a |
| No B:// file could be read from this transaction. | 957,492 | 5a30bbdf…c3f2e1d8 | |||
| untitled | text/markdown | 1 B | 957,493 | c://36a9e7f1…b6145068 | 9ca550cf…f04c4b73 |
| untitled | text/markdown | 18 B | 957,492 | c://5b87778a…76fcd4f2 | cf332531…8ab86c74 |
| untitled | text/markdown | 21 B | 957,492 | c://bf72c1f5…d34c612e | 40549e30…bf6037b5 |
| untitled | text/markdown | 2 B | 957,492 | c://f0a5555f…f40eb3d8 | d0454124…9f000b3f |
| untitled | text/markdown | 2 B | 957,492 | c://f0a5555f…f40eb3d8 | 06888dc8…2c0ea17a |
| untitled | text/markdown | 33 B | 957,492 | c://9d57d7ad…09f7efff | f8f7e79c…db765b71 |
| untitled | text/markdown | 7 B | 957,492 | c://3ebf92df…5519da69 | b04db9ff…2c0f2ec2 |
| untitled | text/markdown | 34 B | 957,492 | c://10008df6…3c05f92f | 50e135ac…28fc0253 |
| untitled | text/markdown | 142 B | 957,492 | c://cae64efb…f58e05dc | f338c9d6…0f2501e3 |
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 .