Sourdough (experienced miner)

In the context of cryptocurrency, "Sourdough" or "experienced miner" refers to individuals who have been actively validating transactions and securing the network for a significant period. They use powerful computer hardware to solve complex mathematical problems, earning new coins as rewards. Their extensive experience means they understand network mechanics, optimize mining setups, and contribute to network stability. Such miners often possess substantial technical knowledge and resources, positioning them as key participants in maintaining blockchain security and integrity.