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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 | 1,418 B | 955,760 | c://1d43e07c…677e17c8 | 1dc59ab6…bad4855b |
| file.txt | text/plain | 3,469 B | 955,753 | c://9d3c677b…05420fff | b528e2a0…5fc50181 |
| file.png | image/png | 138,963 B | 955,753 | c://fadb6645…084e7349 | 168065f6…5fd8722d |
| untitled | text/markdown | 278 B | 955,753 | c://28a65c54…1438b227 | 1ae56aab…96ad8bb3 |
| file.txt | text/plain | 27,139 B | 955,753 | c://cc462569…a11efce9 | e127547d…7fe23634 |
| file.txt | text/plain | 92 B | 955,753 | c://2da7f5f2…87967e76 | 5ee27ad4…cf86e8eb |
| untitled | text/markdown | 51 B | 955,753 | c://0d6c5a79…65ba5203 | 893572d3…8117a25e |
| untitled | text/markdown | 56 B | 955,753 | c://c45e7fb9…02aa737c | d0718c72…a1a159b0 |
| untitled | text/markdown | 561 B | 955,753 | c://0681ba60…eb708a8e | c1bb4efe…80dadb88 |
| untitled | text/markdown | 39 B | 955,753 | c://e18dc08f…537eef54 | 8c29070d…8323530c |
| No B:// file could be read from this transaction. | 955,760 | 2259c58f…359e7a5e | |||
| No B:// file could be read from this transaction. | 955,760 | 30532cdc…37d3f195 | |||
| untitled | text/markdown | 61 B | 955,757 | c://c0322b92…77eac4c4 | c616b2d7…3162a3e0 |
| file.txt | text/plain | 61 B | 955,757 | c://d42f3f9c…567fc4d6 | 019a1c2a…41cb8624 |
| file.txt | text/plain | 1,418 B | 955,757 | c://1d43e07c…677e17c8 | 3c60431e…5ad2c839 |
| untitled | text/markdown | 48 B | 955,757 | c://cb0b450a…dc402a49 | f2dd3e74…1cfd0549 |
| untitled | text/markdown | 71 B | 955,757 | c://7512342b…e2661f6a | 844ffd13…fbda984e |
| untitled | text/markdown | 56 B | 955,757 | c://1610ed9d…bc6e1b77 | 9ea80d58…fd5b7f8d |
| file.txt | text/plain | 27,139 B | 955,753 | c://cc462569…a11efce9 | 74da87e8…9999dc3a |
| untitled | text/markdown | 39 B | 955,753 | c://e18dc08f…537eef54 | e09ef3f7…322148e9 |
| file.txt | text/plain | 61 B | 955,757 | c://d42f3f9c…567fc4d6 | 6e1b2a51…d962498d |
| untitled | text/markdown | 56 B | 955,757 | c://1610ed9d…bc6e1b77 | d767b00e…f2579e6f |
| untitled | text/markdown | 31 B | 955,754 | c://7e30f1eb…b529b754 | c18736ab…d5632518 |
| untitled | text/markdown | 71 B | 955,757 | c://7512342b…e2661f6a | f00b4510…b48818bc |
| untitled | text/markdown | 6 B | 955,754 | c://cd36e2f4…d80ba324 | 0846c5ed…fc1c3b6f |
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 .