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Pow vs pos

POW vs POS are both methods of validating transactions and adding new blocks to the blockchain. However, both methods have their own unique benefits and drawbacks.

The majority of cryptocurrencies currently use POW to validate transactions and add blocks on the blockchain. This system relies on a network of bitcoin miners to solve cryptographically hard puzzles and prove that a transaction is valid before recording it in a block. This system has a strong track record and continues to prove its resilience, versatility, and security.

The downside of a PoW system is that it creates an opportunity for certain miners to gain dominance over the network and alter the blockchain, called a 51% attack. The risk of this type of attack is very small and unlikely to occur. A Proof of Stake system is much cheaper and energy efficient but less proven. It requires specialized equipment to optimize processing power and is more cost effective to run than POW systems, but it does require an initial investment to buy stake.