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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 | 79 B | 957,576 | c://2867d4b8…87b999b0 | 4d3b8a76…46c99c29 |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | ef86c90f…e3f56e44 |
| untitled | text/markdown | 108 B | 957,576 | c://2ac055d7…57d5117d | eeaa774e…e8a6bc62 |
| file.txt | text/plain | 306 B | 957,576 | c://40f18648…53e7e337 | c3017875…5d405ce9 |
| untitled | text/markdown | 82 B | 957,576 | c://38e8c5c7…b6f77e95 | 42ac4f1a…b173fd13 |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | c645cb32…5c2d7631 |
| untitled | text/markdown | 256 B | 957,576 | c://801b7616…6a17b7d5 | 31b0d182…63bf611d |
| file.txt | text/plain | 16,272 B | 957,576 | c://09f4bb33…7bef432e | 38319a59…a190ee49 |
| file.txt | text/plain | 323 B | 957,576 | c://df1784f2…1a799e59 | f3bb45c2…db155d0b |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | 0c61f38a…f971bd8b |
| untitled | text/markdown | 34 B | 957,576 | c://da38048b…28b96433 | bffb7285…cb427b14 |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | c6e88dc7…3016a784 |
| untitled | text/markdown | 113 B | 957,576 | c://55854d01…6e930678 | 01a083ce…8bd53a9e |
| untitled | text/markdown | 174 B | 957,576 | c://55cd9936…449ab07b | 147d0b31…8f250d6f |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | 27a83cad…6b105a25 |
| No B:// file could be read from this transaction. | 957,576 | 6ee7cec9…7c44bb18 | |||
| untitled | text/markdown | 32 B | 957,576 | c://37655cec…b70db9dc | 95b280ca…6e093fa7 |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | 5e0a93be…4db28e81 |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | b8886a21…39c47c59 |
| untitled | text/markdown | 39 B | 957,576 | c://49ef440b…321286b8 | b4890b3c…cf0af7d2 |
| untitled | text/markdown | 3 B | 957,576 | c://9279c116…da95f6cf | eea7fe5f…eaaee75e |
| file.txt | text/plain | 323 B | 957,576 | c://df1784f2…1a799e59 | e0b275a2…cd7cac37 |
| No B:// file could be read from this transaction. | 957,576 | aec4d6e5…662c9613 | |||
| untitled | text/markdown | 66 B | 957,576 | c://b4a97b68…28835840 | bf8aa47a…b2063c54 |
| file.txt | text/plain | 16,272 B | 957,576 | c://09f4bb33…7bef432e | 5f3ee74a…f88d8ce6 |
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 .