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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 | text/markdown | 4 B | 956,726 | c://9f86d081…b0f00a08 | 9bd5f0b6…1350df4b |
| file.txt | text/plain | 22,396 B | 956,725 | c://4cf9b6f5…0e8102ff | ec5521a6…a08316d1 |
| untitled | text/markdown | 59 B | 956,725 | c://759ee173…04ef6355 | 3c1ea6f1…cc7693a2 |
| untitled | text/markdown | 59 B | 956,725 | c://97fc547c…546fedc9 | 74ba9087…bdf6a27f |
| file.txt | text/plain | 1,720 B | 956,725 | c://e7ddbbdf…6d8d65d1 | 1b824924…aecb116a |
| file.txt | text/plain | 3,651 B | 956,725 | c://b4e79490…38ddd5b4 | c6d6247b…87964a0a |
| untitled | text/markdown | 1,536 B | 956,725 | c://25d0f5bd…1736176c | ef0ea87e…6b715214 |
| file.txt | text/plain | 99 B | 956,725 | c://d6b24654…ad6b32b4 | 4b8212db…6b492ba3 |
| untitled | text/markdown | 91 B | 956,725 | c://e2a10c5d…411e0468 | 37aeffd5…9aa91d60 |
| untitled | text/markdown | 113 B | 956,725 | c://af346e11…d69cf6ff | 9d212022…16f749dd |
| file.bin | application/pdf | 187,522 B | 956,725 | c://730cd129…b52e2142 | a90b80bb…ef6f70c7 |
| untitled | text/markdown | 7 B | 956,725 | c://1c5ef1ec…0a553c07 | a1b34175…43c88767 |
| file.bin | application/pdf | 208,166 B | 956,724 | c://f0695bbc…889a352a | f49d2781…3f44c51e |
| file.txt | text/plain | 200 B | 956,724 | c://8bf76355…06612914 | 1e13c9e4…2ea7b08b |
| file.txt | text/plain | 126 B | 956,724 | c://c0ca2b5b…00bc03af | c90a174f…c582d37f |
| file.txt | text/plain | 1,424 B | 956,724 | c://ac1d7353…0279b0d8 | a56a3c81…400b0c36 |
| file.txt | text/plain | 126 B | 956,724 | c://c0ca2b5b…00bc03af | c085b7a1…d2d002a6 |
| untitled | text/markdown | 71 B | 956,724 | c://800c55ae…89acec9b | 8659c752…3bc84b3e |
| file.txt | text/plain | 1,424 B | 956,724 | c://ac1d7353…0279b0d8 | b0e3411d…709e121a |
| untitled | text/markdown | 43 B | 956,724 | c://7861af90…036c2ef4 | 484273f1…593113c9 |
| untitled | text/markdown | 23 B | 956,724 | c://e67be3a0…a0174576 | 44722b07…02c3f255 |
| untitled | text/markdown | 6 B | 956,724 | c://cd36e2f4…d80ba324 | 6affa442…7c5ff5ab |
| untitled | text/markdown | 125 B | 956,724 | c://a512d30d…1fd62ae4 | ba75cf54…4d156319 |
| untitled | text/markdown | 85 B | 956,724 | c://15703852…9162b12b | 8b2a0c44…4c31413c |
| untitled | text/markdown | 6 B | 956,724 | c://cd36e2f4…d80ba324 | 6f09d77f…06989817 |
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 .