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David Marcus

CEO of Lightspark, Lightspark

Search every verified David Marcus interview, podcast appearance, and on-the-record quote — each transcript cross-checked by AI and human review to confirm speaker identity. David Marcus, CEO and co-founder of Lightspark, discussed the company's efforts to build infrastructure connecting stablecoins with existing payment systems such as FedNow, SEPA Instant, and Pix during an August 2026 podcast appearance. He described Lightspark's goal of offering a single API-based integration for partners, encompassing global money movement across fiat, stablecoins, and other assets in 62 countries, with plans to expand to 70 and eventually 100. Marcus also highlighted capabilities including self-custodial wallets without seed phrases, support for multiple stablecoins across various blockchains, debit cards, and real-time local and global payment network access. Marcus commented on recent regulatory developments, noting that frameworks such as the GENIUS Act in the United States and MiCA in Europe have contributed to stablecoins being recognized as money by regulators and banks. He suggested that this regulatory clarity raises broader questions about the definitions of accounts, banks, and bank accounts, and predicted that a wave of neobanks will emerge, with some succeeding and many failing. He also reflected on his past experience at Meta, where he said he tried and failed to launch the Libra stablecoin project, which he characterized as potentially too early for its time.

Recent appearances

Notable quotes

“We've redefined what money is. And there's regulatory clarity on what money is like digitally. Like fine, like stablecoins are money. Great. But what that unlocks as well is like, what is an account? Like, now there's a flurry of neobanks, many will fail. We can talk about that separately, but some will succeed and it's just going to be great, but like what is a bank? What is a bank account? What is the thing that ho”

“I think the key thing that if you don't understand that then you need to understand it. Which is that I know we pushed out the decision on the Clarity Act to after recess at this point which is a shame. But at least we have GENIUS and we have MiCA in Europe and we have similar frameworks everywhere in the world. And this happened only last year. And as of last year basically these things made stablecoins money. Like ”

“I think what we try to represent at Lightspark is an alternative reality to that depressing future, which is like build on Bitcoin, a network that no one owns but everyone can get value from. Enable people to have some people in businesses to like have exposure to Bitcoin really without any friction. Uh have the ability to still hold dollars uh and use Bitcoin as a neutral settlement network uh and asset for all of t”

“There was no legal basis. We had like absolutely like all of the legal rights to actually move forward. Um and the problem is that actually if you're presenting a risk uh to the financial stability of a country um that they will they perceived or real that they can exert a lot of power uh on top of uh participants uh to actually not do that. And and you know there were all kinds of totally egregious things that happe”

“At the time it was like really like this this thing is an exotic thing. We're a very regulated business. We shouldn't really spend too much time like touching it because it's risky. Uh, we were still in that phase of like Bitcoin is for, you know, drug dealers and criminals. uh you know the the the successive layers of FUD of Bitcoin.”

“I think it's going to be like to your point about arbitrage and like what's going to happen there. It's going to be really interesting. Like it used to be that people wanted to have accounts dollar accounts in the US but like you know if if you can pay yield uh on stable coins on dollar stable coins outside of the US but not in the US you might see like you know the reverse happen. It's like you know people will want”

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