{tag=Encryption}

Transactions such as https://github.com/cirosantilli/bitcoin-inscription-indexer/blob/7e95546479508e9fe5158dad6bc8601e2b4e02ee/data/out/0339.txt#L74[tx fe37c7eee73be5fda91068dbe0eb74a68495a3fc7185712b8417032db7fc9c5e] (https://www.blockchain.com/explorer/transactions/btc/fe37c7eee73be5fda91068dbe0eb74a68495a3fc7185712b8417032db7fc9c5e[2015-01-15]) starting with
``
U2FsdGVkX1/4iSjLxQ5epo8eRSCOQLGgAsn1CucGii27k8ZyC7Jz6wxhYcevVmxi
6Q4ZFN04WDN0UhKqYardgQf26oeBMURupduDd0ZozxlgMrBkFOCaARqU7RABVWDO
/ruPUcOY0VC8p4lrMNqSdqvN7y6OWwOSH3c0duumZfFNZs9+BbtKCxtaqR5+RkUI
``
are <Base64> encoded. Running them through `base64 -d` leads to starting output bytes `Salted__` which as mentioned at https://security.stackexchange.com/questions/124312/decrypting-binary-code-from-a-base64-string is #OpenSSL encrypted data. So hwerever we see the start:
``
U2FsdGVkX1/
``
we might as well give up. That string appears 26 times in our data currently, between https://www.blockchain.com/explorer/transactions/btc/6c091e6152b83ec0df8d0d87c7c5f3da72a3328ed3a5d91768ba0ab899c16b9d[6c091e6152b83ec0df8d0d87c7c5f3da72a3328ed3a5d91768ba0ab899c16b9d] (2014-09-28) and https://www.blockchain.com/explorer/transactions/btc/84189c82995db355e92e37f8cfe8a9274e9a5d157f1f1658067672e707469a09[84189c82995db355e92e37f8cfe8a9274e9a5d157f1f1658067672e707469a09] (2019-07-06)

The following via <cryptograffiti.info> get marked by `file` as "openssl enc'd data with salted password, <Base64> encoded":
* ad3d8a0a5d57114b1780341cb5104284f029bb01b1b3558f7c7b9ce51eb67e18
* 1cd0c631f444d664601468f644b70e0166019a54d8678de51310139b6c8b2bd7
* ccc3fb2c9cb1c640b76645a8658693066fd63433ab17c318691ad5bd62601c0e
* e6eb0cb8268a9b3d012d2957b32d4b28ccc3317593f54f4bfe4b387326588bd2
* c40e322b198b715accc4a67fad244ed131b8cef0785070e06d10d56c4ab389f2
* 37a261ac6dbf59e3c9673a22028bcdbdd08926a9d32134ab8fba0897f6dcd196
* f1aa516fe00ec2156f16fcb9da422f6cbcd141e8e58c895d8bc37b4ad2fd714e
* 7faf29c7dd7d9cc6d099c262f7ec7edd7fc768276482ad66ceefdd814f1d38ab
* 69cac244051661cc0b8b08905af5ab312a1282b68c932e5d1e3c46ad47ff0f7a
* 1773c39f844951b7169dc34aa0c72aa7b43cae6a103ed1223527ef0f4deec2a9
* b1d4bf3fc46e63c995ad4299f3576340077bc810dfa5c502d1c068460d54bc98
* a52625837741902e1dd24de3dbd3b948d6e0907ad3fc957c13cdf53fa2c3b9ac
* 4ca742813eaccef009e24e92150dda06540c2ac81782f1569b1ebb3179a413d2
* 6c3bab5fc6e6352c62a16ab0f47394845aa41a2c0b25e1a1073a4aeac150e03d
* 20b8feef3d293a0dd79e3c169fceb1217465502a523acbab903a7eb0cd183709
* b7863215b99567bc9e71155b13f3c5f26d15eac52493ee2e834129460ffd2aec
* 2c8961a64bb11d5855790085f51007273467f7ef862137215c9f1d958dcb6c57
* bed542957bdd8f644a4fcd671a8c66a5cc5d6168f9fa60d37177703e77558eee
* 3e45af9d828754d5a38c86636a070610f6e828482718c4a597d272d41a3e31fa
* a13af4817e85cacce3cfb445001e2fb2f56cdc30f78348fd2580bf8f4c84dc55
* 87a10f6bc65a08067b2544e46be00d4af62c0cfed3ae0b165d5eedaff09d81da
* ef55826befabbe9dcd44d87fc385d600dd4c4cba3346cde53d8c591960e9b4dc
* 5d30f63131dcf2b4d001b4ab530e18cc6ff8ffd16cade055ff4587a59b84e420
* 8a75514829b6e30b9fea434eef77b1589ff3f4bdfc0056bd087efbfb8314eb59
* e2be1062c9d43cc6ed43de6f7a40c728d2d92ed0325abde24ff3300cf3ae136a
* 8fe5c2679237e36c74fda04bb083f732c4afdd06af81121b1d7b4d5bd677135f
* 7f099f094d8d51105d8655253d45ebddf1c88b9e138c302a65d2878a237e620c
* 0fc4b3a305e2a7faa2e7d9c2f23d23d626e9e75f1f2a37133f283334b314645b
* 933b321e7b7144ed5e4e1750f944be9ed10293633d9b288bf05febdeb9dc40a3
* 6215486bc024dea7991b142e50e111c4063e1db4a867514612b8e794b8ef5635
* fc0613e11269962d97373b10e310f451fb76c7bb477ba1afb45773c44851e9ed
* ab51d2c037b4625394c68706da83c26bad751018d2a3e377a51988bd8ee18647
* 7ca9b337172f4feff67a0ecbfbd76798265e08c6ebe989a319883c695d756247
* 0f0b477e456dcf286d7262497bcd5b3b6a3ce89f81761c2f59ff702539ab6183
* a320152fd59426c8853dd781db9d682f89755953b39a653f9e9c9628a5fce7fb
* e96221da774fb52d24dda1b83b14c99085eb4befac64691722c56eb750562d68
* a7a5ca68dd340dd42bd5c91e0febe68e5fd2fb993da2992661183eaafe8ad89e
* 64e9d95e2333cfd155506199c8d926649e63a98dbc83c1221b8dd1580937b942

https://blockchain.news/news/mysterious-bitcoin-inscriptions-a-puzzle-in-raw-binary-data mentions a huge 9 MB <Ordinal ruleset inscription> that no-one managed to decode, and so people suspect is encrypted data. Seems to be split across transactions, starting at fed7de7fb75a3fe3c1acbbd8e19a4c540fb368474c8834e4ddb1d5bab764a767


Cool data embedded in the bitcoin blockchain/encrypted data

ID: cool-data-embedded-in-the-bitcoin-blockchain/encrypted-data