Former SpaceX Manager Secures $4.2M in Funding to Enhance Security on New Cryptocurrency Platform, Stackup

Stackup, led by former SpaceX senior mission manager John Rising, has raised $4.2 million in seed funding to enhance security on its pioneering cryptocurrency platform, featuring a novel account abstraction technology aimed at providing businesses centralized control over decentralized assets. The funding round, spearheaded by 1kx and supported by industry giants like Y Combinator and Digital Currency Group, marks a significant stride towards mitigating security risks prevalent in blockchain applications, leveraging Rising's aerospace-rooted meticulousness to bolster crypto security frameworks.

Radom Team

June 23, 2025

In a move that blends aerospace precision with financial technology, former SpaceX senior mission manager John Rising, now CEO of Stackup, has successfully raised $4.2 million in seed funding to advance security measures on the new cryptocurrency platform. Alongside CTO Hazim Jumali, an Ethereum Foundation grantee, the Los Angeles-based startup aims to provide businesses with "centralized control of decentralized assets" through innovative account abstraction technology.

Stackup’s eye-catching seed funding round, led by venture capital firm 1kx and supported by notable participants such as Y Combinator and Digital Currency Group, underscores the sector's growing recognition of the need for improved safety in blockchain applications. Previously, both Rising and Jumali have worked on account abstraction development for major industry players like Coinbase and Trust Wallet, indicating strong expertise brought into this venture. As detailed on Decrypt, their combined experience is now directed towards fortifying crypto operations against potential security breaches that have plagued the industry in recent years.

Rising’s background in aerospace, where meticulous attention to detail can be the difference between success and catastrophic failure, brings a fresh perspective to the crypto security discourse. His reflections on a tragic incident during his tenure at Virgin Galactic, where a pilot perished despite rigorous testing, have shaped his approach to Stackup’s framework. This experience highlighted the monumental importance of human factors in system designs - an understanding that Rising is keen to transpose onto the crypto security environment where user safety often takes a backseat to technological barriers against unauthorized access.

Account abstraction, a concept that solidified on Ethereum’s mainnet in 2023, allows for the creation of non-custodial wallets as programmable smart contracts with sophisticated features like transaction review mechanisms, spending limits, and signless transactions. This technology not only simplifies the crypto user experience-mirroring the ease of using an email as suggested by Ethereum co-founder Vitalik Buterin-but it also enhances security protocols that can prevent large-scale financial losses similar to those witnessed in crypto exchange hacks.

For instance, the recent $1.4 billion hack at Bybit exemplifies the types of catastrophic incidents Rising aims to prevent with Stackup. Drawing parallels to his aerospace days where a failed $60 million SpaceX launch would be disastrous, Rising emphasizes the need for robust, fault-tolerant systems in the crypto industry. These safety mechanisms are particularly crucial given the smaller team size at Stackup compared to the 3,000 personnel involved in a SpaceX launch, presenting unique challenges in scaling safety protocols appropriately.

Through its advanced security features, Stackup also intends to streamline business operations by integrating traditional banking services - radially improving the on- and off-ramping processes for crypto transactions. This dual approach not only safeguards assets but enhances operational efficiency, making blockchain technology more accessible and practical for businesses needing reliable and secure financial operations.

As Stackup begins deploying its seed capital towards enhancing these capabilities, its approach could serve as a benchmark for how high-stakes industries can inform and transform security standards in fintech, particularly within blockchain frameworks. If Stackup can successfully embody the precision and safety standards analogous to those in aerospace, it could significantly shift the narrative from merely preventing unauthorized access to ensuring complete operational integrity and user safety in crypto transactions.

The emergence of technologies like Stackup could dramatically influence future regulatory frameworks and industry standards. Companies must navigate these innovations wisely, taking cues from success stories in other high-risk sectors to foster a safer, more reliable future for blockchain applications.

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