In the realm of blockchain technology, Aptos aims to revolutionize the traditional financial system by building bridges between it and the decentralized finance (DeFi) world. Avery Ching, a former software engineer at Facebook and Google, is the mastermind behind this innovative project. Ching hopes to leverage his experience from traditional tech giants to bring new dimensions to blockchain technology.

Ching's vision with Aptos is to create a blockchain that is scalable, secure, and interoperable, thus empowering applications and users in the DeFi space. Aptos is designed to provide a seamless transition for traditional finance to integrate with DeFi, thereby opening up a world of possibilities for both sectors.

Scalability has been a long-standing issue in the blockchain industry. Traditional blockchains are often plagued by slow transaction speeds and high fees. Aptos aims to address these issues by employing advanced techniques that allow for higher transaction throughput. Such a feature can not only facilitate faster transactions but also lower transaction costs, making DeFi more accessible to the masses.

Security is another critical aspect that Aptos is focusing on. The blockchain is being designed in a way that it can resist even the most sophisticated attacks. The team behind Aptos is leveraging their experience and knowledge in traditional tech to ensure that the blockchain is robust and secure.

Interoperability is a crucial feature in Ching's vision for Aptos. The goal is to create a blockchain that can interact with other blockchains, ensuring that users can transact and interact across different DeFi platforms. This feature can open up new opportunities for users and applications in the DeFi space.

In conclusion, Aptos, under the leadership of Avery Ching, is striving to revolutionize the DeFi space by providing a blockchain platform that is scalable, secure, and interoperable. By doing so, it aims to build bridges between traditional finance and DeFi, thereby fostering increased integration and collaboration between the two sectors.