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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 |
|---|---|---|---|---|---|
| untitled | application/json | 6,084 B | 955,659 | c://24b7f556…cbaf5fd4 | 0fe72444…ebad7c17 |
| file.txt | text/plain | 5,548 B | 955,658 | c://49bbd733…da364848 | 184ac2ab…6c615849 |
| untitled | text/markdown | 120 B | 955,658 | c://d0ab0969…49eb7f83 | 35be4768…d2836296 |
| file.txt | text/plain | 1,613 B | 955,656 | c://4c6ac55d…795c0ff0 | 3e2fd6b6…8911e35d |
| file.txt | text/plain | 278 B | 955,654 | c://8515e545…c062f34f | ff7f50a3…a9652262 |
| file.txt | text/plain | 23 B | 955,654 | c://8fc12725…0e6fb558 | de9521a3…d559070e |
| file.txt | text/plain | 77 B | 955,654 | c://f5b356ec…82ff8f2e | dda2dfde…90c3ad24 |
| file.txt | text/plain | 60 B | 955,654 | c://a80a5ecb…f6030847 | 5dc19c23…b8b85092 |
| untitled | text/markdown | 43 B | 955,656 | c://eeab977a…483562f5 | daa58cef…ad8f2f7a |
| file.txt | text/plain | 60 B | 955,654 | c://a80a5ecb…f6030847 | f1310097…c11de75c |
| untitled | text/markdown | 19 B | 955,654 | c://900fcb07…feb07913 | e6f34422…21f21899 |
| file.txt | text/plain | 1,613 B | 955,656 | c://4c6ac55d…795c0ff0 | b0edc2bc…93d62ecf |
| untitled | text/markdown | 127 B | 955,654 | c://44981a63…e35ba27a | 571a1502…c4ce8615 |
| No B:// file could be read from this transaction. | 955,654 | 13fceb3a…9ecd5836 | |||
| No B:// file could be read from this transaction. | 955,654 | ca275674…6bd53afb | |||
| untitled | text/markdown | 43 B | 955,656 | c://eeab977a…483562f5 | f748eebc…d89c6caa |
| file.txt | text/plain | 77 B | 955,654 | c://f5b356ec…82ff8f2e | 1a793e37…5624781b |
| untitled | text/markdown | 63 B | 955,655 | c://c0cf3525…41dcccdd | e4bf817c…68eac8c8 |
| No B:// file could be read from this transaction. | 955,654 | f665d59c…17dd5d36 | |||
| file.txt | text/plain | 1,419 B | 955,654 | c://1433eef8…acdf4593 | 7a96bfd2…13d8ed81 |
| untitled | text/markdown | 58 B | 955,654 | c://c2311a6d…bc25dbc9 | 7ccfa120…14756bf0 |
| file.txt | text/plain | 23 B | 955,654 | c://8fc12725…0e6fb558 | 80d8f6ce…1b20f8e0 |
| No B:// file could be read from this transaction. | 955,654 | 420335cc…8459f009 | |||
| untitled | text/markdown | 6 B | 955,655 | c://a6a2729c…4bb354ef | 6d635ed2…11444564 |
| file.txt | text/plain | 278 B | 955,654 | c://8515e545…c062f34f | 66d5728c…975b53ec |
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 .