In This Article
- Ok, guys, what is Fractal Bitcoin, and what are you trying to build?
- Oh, very nice! So, tell me, why are Bitcoin-native apps gaining momentum now, compared to the last cycle?
- Is the regulatory environment finally stabilizing for Bitcoin?
- What is the Proof of Work Alliance and why does it matter?
- What lessons did you take from your time at Coinbase and CoinMarketCap? (Bitcoin 2026 Coming!)
- About Fractal Bitcoin
At Bitcoin 2025 in Vegas, and Bitcoin 2026 back here in Sin City, we sat down with two familiar names shaping Bitcoin’s builder class: Spencer Yang, once Coinbase Wallet’s Head of Product, and Carylyne Chan, the former CoinMarketCap CEO. Both now serve as Core Contributors at Fractal Bitcoin, the only native scaling solution completely and instantly compatible with Bitcoin.
They’re also multitasking machines. Carylyne is quietly building not one, but two new ventures—a tea brand called Portman Tea and a sun care line dubbed Good Instincts. As for Spencer? He’s not a retired NBA forward, but at 6’4” with arms built for long shots and selfies, he could’ve fooled most of Vegas.
Their focus isn’t price charts or maximalist dogma, it’s infrastructure. From native apps to the new Proof of Work Alliance, they laid out a future where Bitcoin isn’t just held—it’s built upon.
Ok, guys, what is Fractal Bitcoin, and what are you trying to build?
Spencer: Fractal is a layer built to make Bitcoin more usable for builders. It’s fully aligned with Bitcoin’s ethos and uses the same address format, making it seamless to send assets across both. We support meta protocols like Ordinals and BRC-20s, and provide a space for UTXO-based applications to thrive. The vision is to scale innovation on Bitcoin while reinforcing its security model.
Carylyne: Bitcoin is a $1T+ asset, but economic activity on the chain still lags. Fractal is our way of unlocking that — bringing in builders, developers, and users to create more use cases directly on Bitcoin. It’s about turning passive holders into active participants.
Oh, very nice! So, tell me, why are Bitcoin-native apps gaining momentum now, compared to the last cycle?
Spencer: Great question! The energy has certainly changed. Bitcoin is more widely accepted — by governments, institutions, and users. There’s also now consensus around tools likeOrdinals and Taproot. Infrastructure’s caught up too — wallets, exchanges, dev tools. The foundation is finally there for real apps to be built on Bitcoin.
Carylyne: There’s simply more “fun” to be had on Bitcoin now. People want to create and interact, not just store value. That cultural shift matters.
Is the regulatory environment finally stabilizing for Bitcoin?
Carylyne: Sentiment is much better. States and companies are holding Bitcoin. Treasuries are warming to it. The shift we’re seeing is Bitcoin moving from “outsider” to “infrastructure.” That sets the stage for clearer, more proactive regulation, not reactionary crackdowns.
What is the Proof of Work Alliance and why does it matter?
Spencer: It’s a coalition of miners, manufacturers, and infrastructure providers working to reframe PoW not as an ideology, but as real infrastructure. PoW is what turns energy into digital value — that’s powerful. The Alliance’s goal is to support research and policy that protects and evolves this consensus model.
“You’ll make more money in Bitcoin if you get better sleep” – Bryan Johnson
Stack sats and stack rest.
— Spencer Yang (@spenceryang) May 27, 2025
Spencer: Bitcoin already is part of those ecosystems. It’s held, wrapped, and bridged across L1s. But we believe Bitcoin can also host rich applications directly — especially as tools and scaling solutions mature.
Carylyne: We’ve always talked about hyperbitcoinization. It doesn’t mean Bitcoin has to do everything, just that it’s the foundation. Let’s build on that.
What lessons did you take from your time at Coinbase and CoinMarketCap? (Bitcoin 2026 Coming!)
Spencer: Care deeply about retail. Build responsibly, with clarity and usability. We’re still early — the billion-user moment hasn’t arrived yet, but it’s coming.
Carylyne: At CMC, we coined “Bitcoin dominance.” That metric is rising again, and it’s a signal: Bitcoin is back in focus, not just as an asset, but as a platform. And that’s exactly what we’re here to support.
About Fractal Bitcoin
Fractal Bitcoin is the leading Bitcoin scaling solution. It uses the Bitcoin Core code itself to recursively scale unlimited layers without forks, sidechains, or compromise to security. It supports smart contracts and ordinals and enables DeFi, NFTs, and applications directly on Bitcoin. Founded in 2024 and based in London, Fractal is a venture-backed company built for users who want to build on and scale Bitcoin.
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