Test description

This test is specially designed for developers who want to test their skills and understanding of Blockchain architecture.
Topics: Cryptography, Blockchain Mechanisms (Transactions, The UTXO model, The Account model, The fee market, Upgrading the network (via forks)), Scripts and Smart Contracts (UTXO Scripting, Decentralized application use cases).

Sample questions

1
Given a message M and a hash function H (check all that apply):