Linganisha mbinu
Pitia mbinu ulizochagua bega kwa bega; safu zinazotofautiana zinaangaziwa.
| Makubaliano ya Blockchain× | HMAC× | |
|---|---|---|
| Nyanja | Kriptografia | Kriptografia |
| Familia | Machine learning | Machine learning |
| Mwaka wa asili≠ | 2008 | 1997 |
| Mwanzilishi≠ | Satoshi Nakamoto | Hugo Krawczyk |
| Aina≠ | consensus mechanism | cryptographic authentication mechanism |
| Chanzo asilia≠ | Nakamoto, S. (2008). Bitcoin: A peer-to-peer electronic cash system. Retrieved from https://bitcoin.org/bitcoin.pdf link ↗ | Krawczyk, H., Bellare, M., & Crechanko, R. (1997). HMAC: Keyed-Hashing for Message Authentication. RFC 2104. link ↗ |
| Majina mbadala≠ | consensus algorithm, PoW, PoS, distributed consensus | HMAC, keyed hash function |
| Zinazohusiana | 3 | 3 |
| Muhtasari≠ | Blockchain consensus mechanisms are distributed protocols that enable a network of untrusted nodes to agree on the correct state of a ledger without a central authority. Introduced with Bitcoin in 2008, consensus mechanisms like Proof of Work and Proof of Stake ensure that modifications to the blockchain cannot be made unilaterally by any participant. Consensus mechanisms are fundamental to cryptocurrency and blockchain applications, making them resistant to tampering and censorship. | HMAC (Hash-Based Message Authentication Code) is a cryptographic algorithm for authenticating messages using a secret key and a hash function. Standardized in RFC 2104 (1997), HMAC can be combined with any cryptographic hash function (SHA-256, SHA-3, etc.) to create a message authentication code (MAC). HMAC provides both data integrity and authentication, detecting both accidental corruption and deliberate tampering, and is widely used in web security (TLS/SSL), API authentication, and network protocols. |
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