> For the complete documentation index, see [llms.txt](https://ola-foundation.gitbook.io/ola-documentations/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ola-foundation.gitbook.io/ola-documentations/ola-network-core-components-onis-and-massive/onis/2.-challenges-in-cross-chain-interoperability.md).

# 2. Challenges in Cross-Chain Interoperability

In the current blockchain ecosystem, the lack of cross-chain interoperability not only restricts the interaction of assets and applications across different chains but also introduces significant security risks. Cross-chain bridges, a key technology for transferring assets between chains, have been prone to security vulnerabilities, leading to substantial asset losses. According to data from Rekt (<https://rekt.news/leaderboard/>), bugs or errors in cross-chain solutions have resulted in billions of dollars in stolen assets.

In response to this pressing issue, developing a secure, decentralized cross-chain solution has become crucial. Ola's BTC cross-chain solution is designed to address these challenges, offering a safer, trust minimized cross-chain platform with advanced ZK Soft Verification technology.