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The team behind the Bitcoin 
 BTC -1.56%
 Virtual Machine (BVM) last week launched BitZK, a zero-knowledge proofs service that enhances Bitcoin's scalability by allowing users to create rollups and migrate applications from Ethereum to Bitcoin.

This need for scaling solutions emerged last year with the launch of protocols like Ordinals and Runes, which spurred on-chain activity similar to Ethereum. This surge in activity prompted several development teams to explore new methods of scaling Bitcoin and to incorporate ideas from other blockchain projects.

Historically, scaling Bitcoin has been problematic, whether through raising block sizes or developing scalable layer-2 solutions. Previously, the network's limited user base allowed developers the luxury of time to make decisions, but the recent increase in on-chain use has accelerated the need for effective scaling solutions.