Everything Bitcoin: L2s see wave of adoption, but security needs to catch up

The Bitcoin 2024 conference showcased dozens of protocols driving innovation on the Bitcoin blockchain. Cointelegraph’s team explored the promises and challenges emerging around the world.

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Designed to operate on top of the Bitcoin blockchain, layer-2s are emerging rapidly, fueled by years of innovation in the Ethereum ecosystem. Now, they promise to bring decentralized finance (DeFi) solutions to the original blockchain. 

Despite locking millions in value onchain in a few months, Bitcoin layer-2s are still in their infancy. As with any early-stage development, there are still challenges to overcome, including security issues and user experience concerns.

At the Bitcoin 2024 conference in Nashville, Tennessee, the Cointelegraph team sat down with protocols that have recently onboarded hundreds of developers to the Bitcoin network. These protocols share a common vision: making the Bitcoin blockchain ecosystem more useful over time.

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