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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 | 13,929 B | 955,286 | c://0d1e6e12…ce658326 | 4a325ccc…0834cc9e |
| untitled | text/markdown | 582 B | 955,286 | c://8deca562…1ad17b0a | 3ed682c1…84194d25 |
| file.png | image/png | 336,919 B | 955,286 | c://9ead2a13…b4eb6774 | f6631d4d…79c8e4af |
| No B:// file could be read from this transaction. | 955,286 | 004d6064…607deb36 | |||
| untitled | text/markdown | 15 B | 955,286 | c://04c9be71…86da7d9a | 1854f860…b690a976 |
| untitled | text/markdown | 99 B | 955,286 | c://9d9e90b6…475a2113 | 62026677…14adf159 |
| untitled | text/markdown | 323 B | 955,286 | c://5a85f4af…e092d8ce | 54dee9a7…ccf6375e |
| file.png | image/png | 354,279 B | 955,286 | c://557f5d9b…a4a672cc | 37003e35…8b6f402b |
| untitled | text/markdown | 6 B | 955,286 | c://cd36e2f4…d80ba324 | 6cb6a41d…0acc3e65 |
| untitled | text/markdown | 3 B | 955,286 | c://9279c116…da95f6cf | 6f45cfd9…f4a43ae8 |
| untitled | text/markdown | 7 B | 955,286 | c://9b866c00…923a96b9 | b4b05e41…e4122708 |
| untitled | text/markdown | 6 B | 955,286 | c://cd36e2f4…d80ba324 | c1eacfb8…072e1099 |
| untitled | text/markdown | 3 B | 955,286 | c://9279c116…da95f6cf | 8be5136b…79c877ab |
| file.txt | text/plain | 1,187 B | 955,286 | c://ad02aa34…14d6d00b | 297c9d5c…cf822e24 |
| untitled | text/markdown | 42 B | 955,286 | c://a17f8f60…7d78489d | 0ad80379…c15cf231 |
| untitled | text/markdown | 10 B | 955,286 | c://ce05ddcf…2be6ed2d | 7e4fa290…8d02d790 |
| file.txt | text/plain | 291 B | 955,286 | c://d70b5186…7171efe3 | fad27373…02d433db |
| untitled | text/markdown | 51 B | 955,286 | c://a10421c6…f5a1755b | f15a504e…50b463cd |
| untitled | application/json | 6,168 B | 955,286 | c://2a9cc0e8…0e4b85f7 | 23d850f4…a4995d61 |
| untitled | text/markdown | 6 B | 955,286 | c://cd36e2f4…d80ba324 | e3f2389a…46b6936f |
| untitled | text/markdown | 119 B | 955,286 | c://88b2602d…f314e9a0 | e714e481…3fbe352e |
| file.jpeg | image/jpeg | 75,441 B | 955,285 | c://0ec27594…5e0e8841 | 8861c6d8…a5a2ba5f |
| untitled | text/markdown | 52 B | 955,284 | c://84320f97…baa38308 | 7b874125…2408d29e |
| file.txt | text/plain | 174 B | 955,284 | c://bd091c8a…6baac78f | fab58876…166f89d5 |
| untitled | text/markdown | 50 B | 955,284 | c://baf812be…f59f3975 | bfaf2f4a…f7f87b14 |
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 .