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Institutional trading and lending desk Secure Digital Markets (SDM) said it sent a $1 million payment to cryptocurrency exchange Kraken over the Lightning Network on Jan. 28.
SDM claimed in a Thursday statement shared with Cointelegraph that it is the largest publicly reported Lightning transaction to date and a proof‑of‑concept for seven‑figure transfers between regulated counterparties.
The payment cleared in 0.43 seconds and was routed via Voltage’s managed Lightning infrastructure, which…
