Record $1M Lightning transfer tests Bitcoin payments for institutions
A $1 million Lightning transfer between SDM and Kraken was used to test whether Bitcoin’s main scaling layer could handle seven‑figure, institutional‑grade payments.
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 provides node management, pre‑provisioned liquidity, and uptime guarantees aimed at exchanges and trading desks.
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