Fractal Bitcoin Provides 93% of Bitcoin Hashrate After Joining Foundry

Bitcoin's second-layer scaling solution, Fractal Bitcoin, has significantly improved network security by partnering with one of the largest cryptocurrency mining pools.

Fractal Bitcoin (FB), a 2-layer scaling solution for the Bitcoin (BTC) network, recently achieved a major security success. On Thursday, April 24, the project managed to gain support from Foundry, one of the largest Bitcoin mining pools, to begin mining FB.

🔓 A major milestone has been reached: @FoundryServices is now participating in Fractal merged mining using our innovative Cadence Mining technology.

✅ >719 EH/s now in Fractal merged mining
✅ Increased network security thanks to merged mining of 93% of Bitcoin hashrate
✅ Support for miners without the need for new hardware pic.twitter.com/kPefEZ8Lyl

— Fractal Bitcoin (@fractal_bitcoin) April 24, 2025

Thanks to the integration with Foundry, Fractal Bitcoin now covers 93% of the Bitcoin hashrate. This means that 93% of the computing power used to mine Bitcoin is now also directed to Fractal Bitcoin mining. According to the developers, this makes it the most secure Bitcoin-compatible network.

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This is in line with the company's goals to leverage the security of Bitcoin while providing the scalability needed to support complex DeFi applications.

How Fractal Bitcoin Attracted Miners

Most crypto miners distribute their mining resources across multiple blockchains, such as Bitcoin, Litecoin, Doge, or Monero. While mining on each network typically requires separate computing and power resources, it is often advantageous to split resources based on token market prices and mining difficulty.

Fractal and Bitcoin use the same hashing algorithm, SHA-256. Interestingly, networks using the same algorithm support merged mining. This allows miners to secure both networks at the same time, using the same computing power as they would to secure just one chain.

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In this way, Fractal Bitcoin can effectively attract Bitcoin miners who can earn additional rewards without incurring significant costs. However, Bitcoin miners do not receive all the rewards, as Fractal Bitcoin uses the Cadence Mining model.

This model splits block rewards between merged and permissionless mining, with one-third of the rewards going to Bitcoin miners. The remaining two-thirds are split between those with the right hardware. This broadens access, as potential miners don’t have to rely on expensive infrastructure to mine BTC.

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Source: cryptonews.net