When was the proof of stake consensus algorithm introduced?
The proof of stake consensus algorithm was introduced as a category of consensus algorithms for public blockchains, depending on a validator's economic stake in the network. It was proposed as an alternative to proof of work, aiming to address issues such as energy efficiency and centralization risk.
What is bitcoin's consensus algorithm?
I'm curious to know, could you explain in detail what is Bitcoin's consensus algorithm? How does it work to ensure the integrity and security of the network? What sets it apart from other blockchain networks and what are its unique characteristics? Understanding the underlying mechanics is crucial for those new to the world of cryptocurrency, so a comprehensive explanation would be greatly appreciated.