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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 | 8,452 B | 955,298 | c://c1f54a5c…d84875b0 | 096200ad…507402f6 |
| untitled | text/markdown | 95 B | 955,298 | c://15155075…c38ea9f4 | 1947d47c…8e868d8c |
| file.txt | text/plain | 297 B | 955,298 | c://1b0602cc…be18b601 | 285c3bba…d77f1c3f |
| untitled | text/markdown | 25 B | 955,298 | c://7f89bc68…ec3fb657 | 8a2b4f82…ef84ecb3 |
| file.txt | text/plain | 2,046 B | 955,298 | c://a0d2d2c1…335a1fa1 | 62ab7b1c…56b608c1 |
| untitled | text/markdown | 116 B | 955,298 | c://ab4259d7…a469fb47 | 8c1394ad…7f3d9fdb |
| untitled | text/markdown | 921 B | 955,298 | c://e37f8aa6…a8062a86 | 27b1ec87…c8cd3300 |
| untitled | text/markdown | 82 B | 955,298 | c://e8bb4c7e…cfbc0325 | edb9617a…427e5595 |
| untitled | text/markdown | 923 B | 955,298 | c://47aecac4…cc9e56df | 0133cf1c…4d6cd61f |
| untitled | text/markdown | 6 B | 955,298 | c://cd36e2f4…d80ba324 | c9f94ee8…11d901be |
| untitled | text/markdown | 23 B | 955,298 | c://d0a5821f…b1bc1f81 | 1c4d380f…043d9cec |
| file.txt | text/plain | 398 B | 955,298 | c://bc669b98…72156dd3 | f4cca6cb…200c6bf1 |
| untitled | text/markdown | 808 B | 955,298 | c://f52a98a9…c816f5a0 | 9eca2ec2…4ee06ee5 |
| untitled | text/markdown | 6 B | 955,298 | c://cd36e2f4…d80ba324 | 1a2805fa…09fcabf5 |
| No B:// file could be read from this transaction. | 955,298 | 3d8cf15a…7db3baa4 | |||
| untitled | text/markdown | 6 B | 955,298 | c://cd36e2f4…d80ba324 | f3b4affc…61d7d219 |
| untitled | text/markdown | 213 B | 955,298 | c://d6a4fb80…c72f51c7 | 629ce9fb…fe44efe9 |
| untitled | text/markdown | 6 B | 955,298 | c://cd36e2f4…d80ba324 | 4807b687…5fa192de |
| file.png | image/png | 230,181 B | 955,298 | c://e3c7ffbe…c3cae97b | cff67404…1040151d |
| No B:// file could be read from this transaction. | 955,298 | 875437cb…7302053b | |||
| file.txt | text/plain | 238 B | 955,298 | c://bc8c29c6…9ea17a05 | eaf024e7…7982bb93 |
| untitled | text/markdown | 808 B | 955,298 | c://f52a98a9…c816f5a0 | f3ee23b8…0019acee |
| untitled | text/markdown | 23 B | 955,298 | c://d0a5821f…b1bc1f81 | 667b72c4…d3da3ba8 |
| untitled | text/markdown | 6 B | 955,298 | c://cd36e2f4…d80ba324 | 12a5eabd…eb82151e |
| untitled | text/markdown | 6 B | 955,297 | c://cd36e2f4…d80ba324 | 2b42219d…870a53ad |
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 .