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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 | 369 B | 955,473 | c://f49b372c…bbde3a38 | 9fd20a20…56bb7d94 |
| untitled | text/markdown | 48 B | 955,473 | c://39e362d5…66e79112 | 9d858370…c74afec3 |
| file.txt | text/plain | 23 B | 955,473 | c://e2ab461b…32422433 | 08dba095…cc472ce7 |
| untitled | text/markdown | 117 B | 955,473 | c://2311a570…6f8fbd97 | 7616bc0f…ca448d18 |
| untitled | text/markdown | 51 B | 955,473 | c://903d7f59…c9873024 | b32151b9…a27ea200 |
| file.txt | text/plain | 1,553 B | 955,474 | c://5ba83f87…fda440fc | e3cdcc9b…9847703e |
| untitled | text/markdown | 500 B | 955,474 | c://51d26025…348d286f | d6ea6f39…5cffae64 |
| untitled | application/json | 6,269 B | 955,474 | c://90578f48…2f33ef66 | 1a2f138b…a01020ec |
| untitled | application/json | 6,266 B | 955,473 | c://b30d361e…00d66afe | 9dc87914…0eee8ecc |
| file.txt | text/plain | 150 B | 955,472 | c://36c0cc79…a3da4b33 | 78d1774c…1da75413 |
| file.txt | text/plain | 211 B | 955,472 | c://11166a08…a8a8d69a | 89c30836…9ae516a0 |
| untitled | text/markdown | 152 B | 955,472 | c://c64f5bca…1042aa84 | 86583df4…b8008aae |
| untitled | text/markdown | 48 B | 955,472 | c://09f6c76d…978d496a | 4c4de3c6…7e978eb3 |
| untitled | text/markdown | 39 B | 955,472 | c://fac18523…c30ac3c0 | c69b3164…26db568b |
| untitled | text/markdown | 49 B | 955,472 | c://8531510b…89c766ba | 370d8caf…e83b10fa |
| file.txt | text/plain | 211 B | 955,472 | c://11166a08…a8a8d69a | 58f0a10c…8610ee70 |
| untitled | text/markdown | 49 B | 955,472 | c://8531510b…89c766ba | ef015478…758113e5 |
| untitled | text/markdown | 215 B | 955,461 | c://1b1c033e…fefbc067 | ad977bb7…d3e004f5 |
| untitled | text/markdown | 39 B | 955,472 | c://fac18523…c30ac3c0 | 536dedd1…a673bfea |
| untitled | text/markdown | 48 B | 955,472 | c://09f6c76d…978d496a | d657cae1…d4020cc2 |
| file.txt | text/plain | 300 B | 955,470 | c://d8be3e97…3dd79cd1 | e60095ec…1faf5490 |
| untitled | text/markdown | 107 B | 955,470 | c://4e81dd32…aebdb36b | 756aa647…fe519463 |
| file.txt | text/plain | 225 B | 955,470 | c://1a3465f7…c67e2df9 | d36c9bf7…447ec4d7 |
| untitled | text/markdown | 215 B | 955,461 | c://1b1c033e…fefbc067 | 37d3dfb9…146c11be |
| file.txt | text/plain | 236 B | 955,467 | c://d986a2a8…e2924f68 | e9edc53a…71a6c0c9 |
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 .