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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 | 3,394 B | 957,160 | c://55b392e5…e656d4fc | 1c4f15b6…3712b2eb |
| file.txt | text/plain | 2,830 B | 957,160 | c://f657cba8…dd094dc8 | 1437d384…1d7b998e |
| untitled | text/markdown | 92 B | 957,160 | c://ff22d7b6…16d87086 | f4090b92…ac3ff679 |
| untitled | text/markdown | 92 B | 957,160 | c://f5ee30b8…20b969c1 | c4396a1b…9588bc3e |
| file.txt | text/plain | 891 B | 957,160 | c://220f97b2…d8ddd624 | f142b6c1…15ad64b0 |
| untitled | text/markdown | 39 B | 957,159 | c://4c90b7d9…391608cc | 1185adb0…0b626559 |
| file.txt | text/plain | 3,166 B | 957,160 | c://357f58ce…d41649df | 897c9b15…f5704a66 |
| untitled | text/markdown | 95 B | 957,160 | c://e1e9dbc4…d04d8b9f | 92161538…018fc00a |
| untitled | text/markdown | 28 B | 957,160 | c://b2c8195d…97cedf0e | 054ae51b…2cd2ab4c |
| No B:// file could be read from this transaction. | 957,158 | b57e70e9…e21b100e | |||
| file.txt | text/plain | 209 B | 957,157 | c://10596e5f…64d395db | 52eaa26a…45a758d2 |
| No B:// file could be read from this transaction. | 957,157 | ecc26ca6…99767c99 | |||
| untitled | text/markdown | 12 B | 957,156 | c://9040e84b…cae7d46a | 25ed1dee…6a4b6cd9 |
| file.txt | text/plain | 192 B | 957,156 | c://6d686fe3…05a2e3a5 | ed6efff0…be84b452 |
| untitled | text/markdown | 57 B | 957,156 | c://28a4a74c…e5ecbfb7 | 0627b33c…1fbdd0ca |
| untitled | text/markdown | 26 B | 957,156 | c://68670aa2…b7de6e4b | 8b0c00a3…7a24fa1c |
| untitled | text/markdown | 42 B | 957,156 | c://7799743f…5516e556 | a8a30ebe…e5fa8f71 |
| untitled | text/markdown | 27 B | 957,156 | c://69e7774d…be5ecdcb | 16ed121e…dddc48b9 |
| untitled | text/markdown | 12 B | 957,156 | c://96f5ef2e…09ed650b | a9571608…573d255b |
| file.png | image/png | 55,873 B | 957,156 | c://cd6682d8…7d2a036b | 850b0817…078e949f |
| untitled | text/markdown | 88 B | 957,156 | c://87be678c…e7393c12 | 2c3a9d89…ba7905bd |
| file.txt | text/plain | 27,749 B | 957,156 | c://8689d285…637881e6 | d5c9672f…1a62c6b4 |
| untitled | text/markdown | 142 B | 957,156 | c://ffacb890…71b90be9 | 5ab93d2a…620d7a30 |
| untitled | text/markdown | 59 B | 957,156 | c://341c4c23…9f8800e7 | a040299c…5edaddd4 |
| file.txt | text/plain | 1,885 B | 957,156 | c://012f1e97…fef21762 | a15d9d73…a3023fa2 |
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 .