What are the core conventions in Bitcoin protocol?

Nowadays, there are many higher level layer in blockchain technology. But the lower level remains same.

Which means:

  • No alteration of existing rule.
  • No deletion of existing rule.
  • Only addition (append), perhaps it's like kind of extension.

I have cryptography knowledge, but I want to summary what are the core conventions in bitcoin. For example, the hash function being used is SHA256. Which means all peers must assume and understand about how SHA256 works.

Another example is using ECDSA for identity that intended for signature. Again, all peers must agree about ECDSA.

I think this convention is like axioms.

So, my question is, what are the another core conventions in Bitcoin protocol?

  • SHA256
  • ECDSA
  • Genesis Block
  • ...


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