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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 | 50 B | 956,447 | c://eaa8868d…8a3f0f81 | accb0b49…051b088e |
| untitled | text/markdown | 68 B | 956,447 | c://232fa336…7c958620 | d2840ba1…930b99dd |
| file.jpeg | image/jpeg | 147,890 B | 956,447 | c://fcf216a9…4ca3659c | cc97ec27…82be52fa |
| file.txt | text/plain | 23 B | 956,446 | c://6601dd74…15993e3a | 4c18f3d0…eb857311 |
| No B:// file could be read from this transaction. | 956,446 | b3a3361d…bd875422 | |||
| file.txt | text/plain | 310 B | 956,446 | c://923d17be…58665181 | 81b3d66c…af21cd03 |
| file.txt | text/plain | 35 B | 956,446 | c://db67580b…48912c8e | 2a249e8f…873abb81 |
| untitled | text/markdown | 52 B | 956,446 | c://5ff13a80…8e802fbe | efa4dc6d…7ec95a43 |
| untitled | text/markdown | 50 B | 956,446 | c://425d1f22…6eef99a0 | 53576185…7a0818c8 |
| file.txt | text/plain | 310 B | 956,446 | c://923d17be…58665181 | 871b2df8…31299898 |
| No B:// file could be read from this transaction. | 956,446 | 01950d1d…b1703533 | |||
| file.txt | text/plain | 35 B | 956,446 | c://db67580b…48912c8e | c13c028b…900b9342 |
| untitled | text/markdown | 50 B | 956,446 | c://425d1f22…6eef99a0 | 2cc7dcdc…2fd10ee2 |
| untitled | application/json | 6,526 B | 956,437 | c://786240cf…fae9f410 | 44cd13bd…8f799d91 |
| untitled | text/markdown | 364 B | 956,432 | c://9520b62a…dc297929 | 6d4a1a08…7e44c544 |
| file.txt | text/plain | 618 B | 956,432 | c://1b623fb4…36b39733 | 04c59629…8022ea9b |
| untitled | text/markdown | 155 B | 956,432 | c://79895703…16e3b503 | 1b5c169f…b0f5714a |
| file.txt | text/plain | 63 B | 956,435 | c://69518a36…78075e80 | 26157aa7…2eeb0f0b |
| untitled | text/markdown | 56 B | 956,435 | c://ac7e3bc5…dc2ebf21 | b359065f…f346cb6e |
| untitled | text/markdown | 147 B | 956,435 | c://0bdd63b6…3cd68846 | 03e3a14c…96f11c5b |
| untitled | text/markdown | 42 B | 956,435 | c://66282eff…729c973a | 7b4c519f…f1b219e1 |
| file.txt | text/plain | 63 B | 956,435 | c://69518a36…78075e80 | 332a73cb…6e1c544a |
| untitled | text/markdown | 4 B | 956,435 | c://d8c7b339…962194b4 | ef02e0fe…a13b5005 |
| untitled | text/markdown | 120 B | 956,435 | c://cf76e18e…2ed82235 | e8cc4cbb…dc5577b9 |
| untitled | text/markdown | 39 B | 956,435 | c://d37dd1ce…ae1bef65 | bb78b418…56e42c09 |
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 .