"Self-custodial Lightning wallets, especially at scale, just aren't viable," Lightspark CTO Kevin Hurley told Bitcoin Magazine. "If you are opening channels for billions of users, fees are going to go through the roof..."
Lightspark has launched an alpha version of Spark, a Bitcoin Layer 2 that's interoperable with Lightning... It makes it cheaper to onboard users to a non-custodial Bitcoin layer..."
With UMA Extend, the Lightning Network can serve as a bridge between traditional banks globally, while with UMA Auth and UMA Request, UMA users can tip, pay subscription fees..."
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