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Polymarket integrates instant Bitcoin Lightning deposits via Spark, shifting Bitcoin from a poor to a preferred deposit option.
Radar uses Spark as its Lightning backend, chosen for superior mobile UX and stablecoin compatibility, despite Spark's trust model requiring one honest operator among three.
Spark's current operators are Lightspark, FlashNet, and Breeze; Seth states Spark's trust model is better for mobile-only users than Arc's base model.
Polymarket now supports instant Bitcoin deposits via Lightning Network using Spark protocol infrastructure, which validates transactions in under a second and handles confirmation risk. Bennett cautions that relying on Spark as a third party introduces a security risk.
Spark's design allows Polymarket to avoid managing confirmation thresholds or running its own Lightning nodes, crediting deposits instantly. Spark's SDK also handles on-chain and stablecoin rails, and wallets like Breeze, Xverse, and Cake build on it.
Nathaniel Whittemore details Nvidia's RTX Spark as a standalone prosumer CPU with 20 cores and over 6,000 integrated GPU cores, delivering 1 petaflop of AI compute for Windows PCs and laptops from major manufacturers this fall.
Google imposed usage limits on Gemini for Meta and other clients in March due to a compute crunch, pushing Meta towards token efficiency and Muse Spark.