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I failed eight startups before Toss. Each one taught me what not to build. Toss was the first time I built something people actually needed every day.

failurefounding-story— Interview, 2020
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Korean banks had terrible apps. Sending money to a friend took 14 steps. We made it take one. That is the entire product.

fintechproduct— Conference Talk, 2019
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Regulators told us no 17 times before we got our license. Most founders would have quit after three. We just kept showing up with better arguments.

fintechpersistence— Forbes Korea, 2021
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We do not want to be a bank. We want to be the financial operating system for Korea. Banks are one layer. We want to be the layer underneath.

platformstrategy— TechCrunch Interview, 2022
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In Korea, your phone is your wallet, your bank, your brokerage, your insurance agent. We just made all of those work in one app.

fintechmobile— Keynote Speech, 2022
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The hardest part of fintech is not the technology. It is earning trust. People do not hand their money to apps they do not trust completely.

fintechproduct— Podcast Interview, 2021