What is Bitcoin hashing?

Related questions

1. What is password hash and salt?
2. What is md5 salted hash?
3. What is the use of this command?
4. Can you reverse engineer a hash?
5. Is md5 still used?
6. What hash algorithm is used in Bitcoin for proof of work?
7. Why many of the hash types create a hash of a different length?
8. How does Salted Hash work?
9. Where is hashing used?
10. What is the purpose of hashing?

Tags

1. #bitcoin
2. #predictable
3. #turns
4. #large
5. #amount
6. #generate
7. #algorithm
8. #written
9. #effort
10. #hexadecimal
11. #random
12. #length
13. #computer
14. #numbers
15. #hashes
16. #requires
17. #arbitrarily
18. #usually
19. #fixed
20. #verifiably