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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 | 23,244 B | 956,824 | c://67ae45d0…dd065dc1 | 3be4ce7e…858e9b54 |
| untitled | text/markdown | 57 B | 956,824 | c://96f30528…04af2d5a | ca5dc417…5a8a2d09 |
| file.txt | text/plain | 21,696 B | 956,824 | c://28983887…6e808c56 | dc27c7a8…79f96ca8 |
| untitled | text/markdown | 43 B | 956,824 | c://c750378e…57c95886 | 20fb54d9…f69f204a |
| file.bin | application/pdf | 213,380 B | 956,824 | c://ddc2ee71…4959a5b0 | fdcb4dba…e69eb505 |
| file.txt | text/plain | 43 B | 956,824 | c://aa502f51…c8b00a44 | 0c2d5469…1233678a |
| file.txt | text/plain | 332 B | 956,824 | c://427d3582…9bbe138a | ddf0662d…aacbaa76 |
| file.txt | text/plain | 805 B | 956,819 | c://f0075af0…92df94ec | c23b3d0c…68fdcb41 |
| untitled | text/markdown | 445 B | 956,819 | c://5082ffc8…480363af | 2fc707f1…dc993fac |
| file.txt | text/plain | 820 B | 956,819 | c://8921aa6d…e6c8e625 | 09ce0e76…8affbf4e |
| untitled | text/markdown | 57 B | 956,819 | c://9ebff278…599de5e4 | df61517c…1d3aa55c |
| file.txt | text/plain | 820 B | 956,819 | c://8921aa6d…e6c8e625 | e6baf693…cba4ecbc |
| untitled | text/markdown | 57 B | 956,819 | c://39529b7b…1a3e5cbf | abd91416…5e956faf |
| untitled | text/markdown | 57 B | 956,824 | c://1a654ded…352d5fe6 | 72e8c9e7…1e92dd1f |
| untitled | text/markdown | 57 B | 956,824 | c://5304bcbd…c962df92 | 46c2d2d7…ab149905 |
| untitled | text/markdown | 121 B | 956,824 | c://396f80ac…937f4e25 | 12700fac…dadc6424 |
| untitled | text/markdown | 120 B | 956,824 | c://d35ad50f…64dae5bb | 0dcb6cc1…2ed9bca3 |
| untitled | text/markdown | 85 B | 956,824 | c://55a92eb2…5f152d40 | 0bbc4051…3613d781 |
| untitled | text/markdown | 15 B | 956,824 | c://ed74d124…61a91215 | 5b7eaa32…27d166da |
| file.txt | text/plain | 204 B | 956,819 | c://f3567c51…e84ae56f | 11d8da2b…8eb061f9 |
| untitled | text/markdown | 57 B | 956,819 | c://759c8f68…e84eaf90 | 71d3dd8d…25947fc7 |
| untitled | text/markdown | 38 B | 956,819 | c://d3fc2a80…fa7bc9f4 | 462d2c7d…2fa4a71f |
| file.bin | application/pdf | 213,380 B | 956,824 | c://ddc2ee71…4959a5b0 | 83a2b44f…54bd76a9 |
| untitled | text/markdown | 85 B | 956,824 | c://55a92eb2…5f152d40 | b62ccbe3…42dbe321 |
| file.txt | text/plain | 44 B | 956,819 | c://444c54a8…7e107235 | 61ba2582…a87af2ae |
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 .