Polymarket has started supporting instant Bitcoin deposits through the Lightning Network, with Spark crediting deposits in under a second. According to NS3.AI, the update follows Polymarket’s standard on-chain Bitcoin deposits that began in October 2025, which typically required three to six confirmations.
Spark is responsible for broadcast-time checks before crediting deposits. These checks include assessing double-spend risk, verifying fee adequacy, and reviewing replace-by-fee flags.
Polymarket Adds Instant Bitcoin Deposits via Lightning Network
2026-07-07 19:54:49
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