Bitcoin Lightning Successfully Sends $1 Million in a Single Transaction, No More Fee Worries
A historic transaction completed in just 0.43 seconds transferred $1 million through the Bitcoin Lightning Network, signaling a potential influx of institutional capital.
According to cryptocurrency-focused media outlet Cointelegraph on February 5 (local time), institutional trading and lending desk Secure Digital Markets (SDM) successfully transferred $1 million to cryptocurrency exchange Kraken on January 28. SDM stated that this transaction is the largest single Lightning payment publicly reported to date. The achievement is seen as proof that large sums exceeding $1 million can be moved quickly and securely via the Lightning Network even between regulated counterparties.
The transfer was executed using Voltage’s managed Lightning infrastructure. Voltage provides node management and liquidity services for exchanges and trading desks. Voltage CEO Graham Krizek described the transaction as “a significant moment for the Lightning Network and institutional Bitcoin payments,” emphasizing that it demonstrated the network’s ability to meet enterprise requirements. Previously, the largest known single Lightning payment was only about 1.24 BTC (approximately $140,000 at the time).
While Lightning Network metrics show mixed trends, its growth potential remains intact. The capacity of public Lightning channels declined from over 5,400 BTC at the end of 2023 to around 4,200 BTC by mid-2025, before rebounding to surpass 5,600 BTC in December, setting a new all-time high. Paolo Ardoino, CEO of Bitfinex and Tether, noted that “the Lightning Network is processing high transaction volumes with predictable settlement and low costs, which is crucial for institutional use cases.”
Major firms such as Fidelity Digital Assets and Blockstream are also expressing strong confidence in the Lightning Network’s potential for institutional adoption. In a 2025 report, Fidelity analyzed that Lightning Network capacity has increased by 384% since 2020, identifying it as an innovative opportunity for financial institutions. Blockstream likewise presented a roadmap for enterprise Lightning deployments in its Q4 2025 update, strengthening technical support.
Industry observers believe this successful $1 million transfer will serve as a catalyst for expanding the Lightning Network’s use beyond microtransactions to large-scale fund transfers. Although the Lightning Network’s capital base remains small relative to Bitcoin’s market capitalization, the convergence of institutional interest and technological advancement is expected to accelerate ecosystem growth.
*Disclaimer: This article is for investment reference only, and no responsibility is assumed for any investment losses incurred based on it. The content should be interpreted solely for informational purposes.*
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