Innovation thrives only when it’s secure. Cantina was founded with a bold vision: to redefine security standards in a rapidly evolving digital landscape. What started as a collective of elite security researchers has grown into the industry's most formidable network, protecting billions in assets and securing some of the most complex organizations in blockchain and financial services.
Spearbit works alongside builders to strengthen systems and elevate security at every stage of development. We combine deep technical expertise with white-glove service, ensuring that every review and every engagement moves organizations forward with confidence. Our researchers collaborate closely with teams to build resilient systems, bringing deep expertise from the first line of code.
As demand for high-quality security skyrocketed, we faced a critical challenge: How could we scale our impact without compromising on quality?
Cantina was our answer. More than just a platform, Cantina represents the next phase of our mission - democratizing access to world-class security while preserving the depth, rigor, and expertise that define Spearbit. By bridging cutting-edge organizations with top-tier researchers at scale, Cantina is making elite security more accessible than ever.
Today, Spearbit continues to lead the charge in deep, high-touch security reviews, while Cantina enables seamless, scalable engagements. Together, we’re setting the new standard for modern application security - ensuring that organizations of all sizes can build safely, innovate boldly, and scale securely.
Join us in shaping the future of security.
Harikrishnan Mulackal is the CEO and co-founder of Cantina and Spearbit, and is well-known as one of the best code optimizers in the world of Solidity. Coming from the Ethereum Foundation (joined in 2020), he is a leading expert in the Ethereum compiler and Ethereum Virtual Machine. With a background in mathematics, Hari formerly worked for the Ethereum Foundation building the Solidity language. His work at Ethereum gave him firsthand insight into the security challenges facing smart contract platforms, ultimately inspiring the creation of Spearbit and Cantina to improve access to elite security talent.
Mike Leffer is the President of Cantina and Spearbit. He's spent the last 10 years successfully founding, building, and investing in companies across web2 cybersecurity and other regulated industries. He was previously on the founding team of a $200M AUM cybersecurity VC and in the US Army.
