Foundry, the largest Bitcoin mining pool, is enhancing the security of the Bitcoin layer-2 network Rootstock through merge mining. This strategy allows miners to concurrently mine multiple cryptocurrencies using the same hashing algorithm, maximizing efficiency. Foundry's contribution of 740 exahashes per second significantly boosts Rootstock's transaction security, providing about 80% of the total Bitcoin network's computing power. Mining pools that opt for merge mining can earn 79% of Rootstock's transaction fees in rBTC, creating a new revenue stream without incurring additional energy costs. Rootstock leverages Bitcoin's security while introducing smart contract capabilities and compatibility with the Ethereum Virtual Machine, thereby fostering a more robust cryptocurrency ecosystem.

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