Computador quântico: o que realmente ameaça o Bitcoin?

O Bitcoin vai morrer por causa do computador quântico? 🤔🚀

• Contexto rápido:
- A Carol comentou sobre o medo do computador quântico e as soluções sugeridas por Satoshi.

• O que isso significa na […]

[Original post on mastodon.social]

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Generate a SHA-256 hash from any text instantly in your browser. Learn how SHA-256 works, where it is used, and how it compares to SHA-1, SHA-384, and SHA-512.

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In summary, the contributions of the paper are as follows. - A new type of intermediate inverse problems for a wide class of cryptographic hash functions is proposed. - An approach for solving an inverse problem via parameterizing a CDCL solver on simple intermediate inverse problems is proposed. - New SAT encoding of MD5 is proposed. - An approach for predicting hardness of an inverse problem is proposed. - For the first time, 29-step MD5 compression function is inverted. - For the first time, 24-round and 24.125 SHA-1 compression functions are inverted. - For the first time, 19-round SHA-256 compression function is inverted. Since MD5 and SHA-1 are obsolete, the results related to them should be regarded as proof of concept of the proposed approach. In contrast, the results for SHA-256 are of practical interest in terms of security.

2/2 Here are some highlights. Read the full paper here: link.springer.com/article/10.1...

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In summary, the contributions of the paper are as follows. - A new type of intermediate inverse problems for a wide class of cryptographic hash functions is proposed. - An approach for solving an inverse problem via parameterizing a CDCL solver on simple intermediate inverse problems is proposed. - New SAT encoding of MD5 is proposed. - An approach for predicting hardness of an inverse problem is proposed. - For the first time, 29-step MD5 compression function is inverted. - For the first time, 24-round and 24.125 SHA-1 compression functions are inverted. - For the first time, 19-round SHA-256 compression function is inverted. Since MD5 and SHA-1 are obsolete, the results related to them should be regarded as proof of concept of the proposed approach. In contrast, the results for SHA-256 are of practical interest in terms of security.

2/2 Here are some highlights. Read the full paper here: link.springer.com/article/10.1...

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Bild

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Git 3.0: Major Changes Ahead | Ron Northcutt posted on the topic | LinkedIn Git 3.0 is on the horizon, and it is bringing some of the biggest changes we have seen in a decade. I recently followed a deep dive into the future of Git based on Patrick Steinhardt’s session at FOSDEM...

www.linkedin.com/posts/rlnort... - #Git 3.0 is going to be #awesome! #SHA256, ref table, large object promisors, `git history ...`. Great teaser www.linkedin.com/in/rlnorthcu....

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13326eac626097fef815ef00c5840a52df5820067dd31c1842f07882c8282696
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with sha256 built in support and a privacy aware mindset codeberg is way superior than github

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The core of Bitcoin’s network security is based on the SHA-256 hashing algorithm. #cryptoforold #bitcoin #btc #sha256
Read more at: cryptoforold.com/how-secure-i...

d103d1410ff89583530326d3032d1e31c171a8b4f504ae41c90a4cd2d9b2dd56 - #sthdvmtdglbl #sha256

81460f10270678965a759c74c48fdc5cd59f519a8fe5d1c145f38af0bc6b2d6f #sha256 #b71d8c6svdmc (20250807)

Elon Musk perguntou à IA Grok sobre a chance de a computação quântica quebrar o SHA‑256 usado no Bitcoin. A resposta foi clara: o risco é quase nulo nos próximos cinco...

Matéria completa - regisandrade.com.br/elon-musk-le...

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Check MD5 and SHA-256 hashes with DropSum, a new app Paste in the MD5 or SHA-256 hash for a download, drop the file onto its window, and DropSum will tell you if they match and the download is good.

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Intel Macs can be much slower computing SHA-256 hashes Computing SHA-256 digests is a common and demanding task, particularly in security. A late Intel Mac is shown to be much slower at doing that than M-series Macs, and this considers why that might be.

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