*SHA-256 Hashing Explained:*
Bitcoin relies on the *SHA-256 algorithm* as the core of its *proof-of-work* system. Its strength lies in two key properties: it's nearly impossible to reverse a hash to get the original input, and it's extremely unlikely to find two different inputs that result in the same hash — this is known as *collision resistance*.
To break SHA-256 using brute force, one would need to try *2^256 combinations*, a number so massive that it's practically impossible with current technology.
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