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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 | 957,049 | c://ed8d8305…6f0e310a | 0d5254de…aac4c286 |
| file.jpeg | image/jpeg | 444,096 B | 957,049 | c://bd8f467e…85f6b2bc | baca690c…d5b2ec7d |
| untitled | text/markdown | 116 B | 957,049 | c://b793ee8d…4a06f4c2 | eb8a7194…8d07d951 |
| file.txt | text/plain | 21,830 B | 957,049 | c://74c04688…3ca2d9e6 | 0c7a8019…9421fa46 |
| untitled | text/markdown | 43 B | 957,049 | c://86d046c5…22fefdc7 | 3907561d…ed9d392a |
| file.png | image/png | 436,130 B | 957,049 | c://e44937d5…0ab8c423 | a7dcd14a…a37a42a4 |
| file.txt | text/plain | 134 B | 957,049 | c://e337d6bf…a6f599f7 | aeba7ddf…9f592a3a |
| file.txt | text/plain | 28,449 B | 957,049 | c://74e3f9bf…901c6580 | 95920ac4…ba56d5cd |
| file.txt | text/plain | 3,823 B | 957,049 | c://45d6cd81…4f361adc | af198990…adfc112c |
| file.txt | text/plain | 266 B | 957,049 | c://0dd24fe0…1a8f2c73 | 84fb2103…12ed85bf |
| file.txt | text/plain | 19,039 B | 957,049 | c://484c72e4…7efb8716 | b30a77c9…115d6318 |
| untitled | text/markdown | 50 B | 957,049 | c://ce494d89…0cbfbebd | 5ef2a4bf…addd15a6 |
| untitled | text/markdown | 6 B | 957,049 | c://88c45d9e…1bfea650 | 08f563b6…29e78d03 |
| file.txt | text/plain | 17,626 B | 957,049 | c://f073aa4b…bb44fb28 | 76128c1e…f30ccf10 |
| untitled | text/markdown | 66 B | 957,049 | c://2c3e0a37…352311de | 33e87d3b…eee34603 |
| untitled | text/markdown | 134 B | 957,049 | c://66e0ec06…30a240be | 91642d40…f41a2d6f |
| No B:// file could be read from this transaction. | 957,049 | 35e8f400…8855597a | |||
| untitled | text/markdown | 6 B | 957,049 | c://cd36e2f4…d80ba324 | aaa17f3b…a442c7fd |
| untitled | text/markdown | 43 B | 957,049 | c://a3ffb1f3…f50ca8a0 | 6f34295e…028d9b76 |
| untitled | text/markdown | 6 B | 957,049 | c://cd36e2f4…d80ba324 | 86ee76b0…d7ef90dd |
| No B:// file could be read from this transaction. | 957,049 | d3aefe0f…d7d8540b | |||
| untitled | text/markdown | 6 B | 957,049 | c://cd36e2f4…d80ba324 | eb16fb67…0c23e3c8 |
| untitled | text/markdown | 6 B | 957,049 | c://cd36e2f4…d80ba324 | d495c87a…0aa5cb23 |
| untitled | text/markdown | 6 B | 957,049 | c://cd36e2f4…d80ba324 | 80b85a80…aa73baca |
| untitled | text/markdown | 6 B | 957,049 | c://cd36e2f4…d80ba324 | d9142c6c…03186aa7 |
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 .