A Method for Computing Merkle Roots of Annotated Binary Trees



Summary:

In an email exchange dated May 22, 2017, Peter Todd and Russell O'Connor discussed the math operations used in Bitcoin’s MerkleRoot function. O’Connor asked for clarification on the symbols “⋅” and “×”, to which Todd explained that he usually uses “⋅” to represent concatenation and “×” to represent the Cartesian product. The discussion was related to the technical details of Bitcoin’s cryptography.


Updated on: 2023-06-12T01:06:45.726694+00:00