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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 | 1,641 B | 957,113 | c://5bf4dcd2…fab74ddb | db65706e…0cd38c68 |
| No B:// file could be read from this transaction. | 957,113 | d36d64f7…da899996 | |||
| file.txt | text/plain | 272 B | 957,113 | c://e26ae7b4…cc71f084 | f66f1152…d56f788b |
| untitled | text/markdown | 53 B | 957,113 | c://7f173724…f37795a7 | be7ea2fb…158c2cfa |
| untitled | text/markdown | 188 B | 957,113 | c://b5f02f1d…f5ae97a7 | 2a2bc7d0…453065f3 |
| untitled | application/json | 5,992 B | 957,113 | c://0dd9e387…ce7a08a9 | 3916468b…e1c188db |
| file.txt | text/plain | 1,667 B | 957,111 | c://0e3a9e27…667dd5c8 | e23f3ff3…3142b8d0 |
| No B:// file could be read from this transaction. | 957,111 | a1dfe7ec…d9ed979c | |||
| untitled | text/markdown | 68 B | 957,111 | c://9f462874…9c325595 | 5bbb603c…a6075a72 |
| untitled | text/markdown | 120 B | 957,111 | c://4b64388d…3b3cc476 | dea3eb28…661150c3 |
| untitled | text/markdown | 83 B | 957,111 | c://282cb790…234c76f4 | 51b8a183…b516b5cb |
| untitled | text/markdown | 19 B | 957,111 | c://bb54fe86…bd9d9e66 | 6ec82b2b…b427de8b |
| untitled | text/markdown | 48 B | 957,111 | c://74e8bc40…b207ea02 | d9f8b35a…695487eb |
| untitled | text/markdown | 2,898 B | 957,111 | c://b64552d2…40406b42 | b8019fb6…0d156be2 |
| untitled | text/markdown | 94 B | 957,111 | c://f59a46a4…d1835643 | 04f02c3c…98d1fe84 |
| untitled | text/markdown | 101 B | 957,111 | c://29b8527f…86efd2a7 | c1acf185…a0663bec |
| file.txt | text/plain | 980 B | 957,111 | c://a551b778…fb3af55a | 713741be…310908af |
| untitled | text/markdown | 48 B | 957,111 | c://74e8bc40…b207ea02 | 10e067de…237593f9 |
| untitled | text/markdown | 2,898 B | 957,111 | c://b64552d2…40406b42 | af547084…e56a08c6 |
| file.txt | text/plain | 7,048 B | 957,111 | c://219608de…8fb9239c | 74f7cdff…faeeab7d |
| untitled | text/markdown | 68 B | 957,111 | c://9f462874…9c325595 | e026efc7…5ff91c44 |
| untitled | text/markdown | 120 B | 957,111 | c://4b64388d…3b3cc476 | 6d862930…ba0e9d53 |
| untitled | text/markdown | 83 B | 957,111 | c://282cb790…234c76f4 | 0bc7e49b…11bd5907 |
| untitled | text/markdown | 19 B | 957,111 | c://bb54fe86…bd9d9e66 | 68ab19a2…c0986d47 |
| untitled | text/markdown | 19 B | 957,111 | c://bb54fe86…bd9d9e66 | b8959ba9…314cb28a |
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 .