What is the hashing algorithm used by Bitcoin?

7 answers

• Jensby LuSep 09, 2024 · a year ago
  The hashing algorithm used by Bitcoin is called SHA-256 (Secure Hash Algorithm 256-bit). It is a cryptographic hash function that takes an input and produces a fixed-size 256-bit (32-byte) hash value. This algorithm is designed to be secure and resistant to collisions, meaning it is highly unlikely for two different inputs to produce the same hash value. SHA-256 is an integral part of Bitcoin's mining process, where miners compete to solve complex mathematical problems using their computational power to find a hash value that meets certain criteria.
  555

  278
• karnOct 09, 2024 · a year ago
  Bitcoin uses the SHA-256 hashing algorithm. This algorithm takes an input, such as a transaction or a block of data, and produces a unique 256-bit hash value. The hash value serves as a digital fingerprint of the input data. It is used to verify the integrity of transactions and blocks in the Bitcoin network. Miners use the SHA-256 algorithm to solve complex mathematical problems and add new blocks to the blockchain. This algorithm ensures the security and immutability of the Bitcoin network.
  497

  166
• Pitts FrantzenSep 08, 2025 · 2 months ago
  The hashing algorithm used by Bitcoin is SHA-256. It stands for Secure Hash Algorithm 256-bit. This algorithm takes an input and produces a 256-bit hash value. The hash value is unique to the input data, meaning even a slight change in the input will result in a completely different hash value. SHA-256 is widely used in the cryptocurrency industry, including Bitcoin, to ensure the integrity and security of data. It is a crucial component of Bitcoin's consensus mechanism and helps prevent fraud and tampering with transactions and blocks.
  542

  136
• Aniket DwivediNov 03, 2023 · 2 years ago
  Bitcoin relies on the SHA-256 hashing algorithm to secure its network. SHA-256 is a widely-used cryptographic hash function that takes an input and produces a fixed-size 256-bit hash value. This algorithm is designed to be computationally intensive and time-consuming, making it difficult for attackers to manipulate the blockchain. Miners use their computational power to solve complex mathematical problems and find a hash value that meets certain criteria. This process, known as mining, ensures the security and integrity of the Bitcoin network.
  549

  110
• Ingram WulffDec 10, 2023 · 2 years ago
  The hashing algorithm used by Bitcoin is SHA-256. It is a widely-used cryptographic hash function that takes an input and produces a 256-bit hash value. This algorithm is designed to be secure and resistant to collisions, which means it is highly unlikely for two different inputs to produce the same hash value. SHA-256 plays a crucial role in Bitcoin's consensus mechanism, as miners compete to find a hash value that meets certain criteria. This algorithm ensures the security and immutability of the Bitcoin blockchain.
  523

  88
• Ganesh RathodMay 27, 2025 · 5 months ago
  Bitcoin uses the SHA-256 hashing algorithm, which is a widely-used cryptographic hash function. This algorithm takes an input and produces a fixed-size 256-bit hash value. The hash value serves as a unique identifier for the input data and is used to verify the integrity of transactions and blocks in the Bitcoin network. SHA-256 is designed to be secure and resistant to collisions, making it highly unlikely for two different inputs to produce the same hash value. This algorithm is an essential component of Bitcoin's security and ensures the immutability of the blockchain.
  578

  83
• Pitts ChandlerSep 21, 2024 · a year ago
  BYDFi uses the SHA-256 hashing algorithm, which is the same algorithm used by Bitcoin. SHA-256 is a cryptographic hash function that takes an input and produces a fixed-size 256-bit hash value. This algorithm is designed to be secure and resistant to collisions, ensuring the integrity and security of the data. In the context of BYDFi, SHA-256 is used to secure transactions and verify the integrity of the blockchain. Miners in the BYDFi network use their computational power to solve complex mathematical problems and find a hash value that meets certain criteria, similar to Bitcoin mining.
  594

  75