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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 | 45 B | 956,851 | c://b22665d2…b4ddeb8d | 7f43de0a…d485a4f5 |
| file.txt | text/plain | 44 B | 956,852 | c://8a2ead30…b214f541 | 41f37c23…671d7b11 |
| untitled | text/markdown | 51 B | 956,852 | c://f033db9a…2455f4b0 | f7d346c3…7b0fe7f2 |
| file.txt | text/plain | 112 B | 956,852 | c://8bbabe73…b3a6b12b | acb5aaae…f7640612 |
| file.txt | text/plain | 37 B | 956,852 | c://a4b83f99…00c4f735 | b33cc734…a4bdfadf |
| untitled | text/markdown | 51 B | 956,852 | c://f3485dc1…52af8369 | 9e5a7813…74b69081 |
| file.txt | text/plain | 69 B | 956,852 | c://a69309a2…24f28b2f | ba7e09fe…2d728c9c |
| No B:// file could be read from this transaction. | 956,852 | 966b2fb5…a49a4ae1 | |||
| file.txt | text/plain | 150 B | 956,851 | c://502f9d74…de2cb262 | 5a0672a1…2bf95af8 |
| file.txt | text/plain | 48 B | 956,852 | c://45c8981a…691ae87d | 05729316…58412346 |
| untitled | text/markdown | 63 B | 956,852 | c://2c16d55e…25de7faf | bb2c6da6…6014a133 |
| untitled | text/markdown | 141 B | 956,851 | c://0e77ec51…73cf2c5c | 78f59421…205d1a3a |
| untitled | text/markdown | 199 B | 956,851 | c://2cda088f…2a7569a2 | 1aa473a4…a67307b7 |
| No B:// file could be read from this transaction. | 956,851 | 4f961f3b…680a36a1 | |||
| No B:// file could be read from this transaction. | 956,851 | d13ec76a…819e7adf | |||
| untitled | text/markdown | 31 B | 956,851 | c://1214ab98…24ffd70c | 1839cfb2…35361aee |
| file.txt | text/plain | 112 B | 956,852 | c://8bbabe73…b3a6b12b | e76de15f…fa12bb0c |
| No B:// file could be read from this transaction. | 956,852 | e5d04928…06400592 | |||
| file.txt | text/plain | 195 B | 956,850 | c://03e70cf1…9002de54 | d13cefb4…b4526b0b |
| No B:// file could be read from this transaction. | 956,850 | 32072197…2768e802 | |||
| untitled | text/markdown | 108 B | 956,850 | c://e00b0153…353564c3 | 78fad721…67447dcb |
| file.txt | text/plain | 45 B | 956,851 | c://b22665d2…b4ddeb8d | afd00b2a…d1a5f958 |
| No B:// file could be read from this transaction. | 956,851 | 23ac9ebf…2437c9b3 | |||
| untitled | text/markdown | 199 B | 956,850 | c://2cda088f…2a7569a2 | 6c7f801e…03b32771 |
| untitled | text/markdown | 199 B | 956,851 | c://2cda088f…2a7569a2 | 4a85448b…07ee0b5f |
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 .