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Square enables Bitcoin Lightning payments for 4 million merchants, allowing instant, low-fee Bitcoin transactions starting today.
Author: Arushi Garg
Steady attention without excessive speculation.
30 March, 2026: Square, Jack Dorsey’s payments company valued at approximately $50 billion, is turning on native Bitcoin Lightning Network payments for its full network of approximately 4 million merchants starting today. The major rollout allows merchants to accept instant, near-zero-fee Bitcoin payments directly through their existing Square point-of-sale terminals. This represents one of the largest real-world Lightning adoption events in Bitcoin’s history and marks a significant step toward making Bitcoin a practical everyday payment method.
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Baron Hakkinen
@BaronHakkinen
@pete_rizzo_ Micropayments with Bitcoin are as useful as payments with $SPY - there's no real benefit to doing so. It's much simpler to sell what you need and pay with a credit card. At least in the US.
BREAKING: JACK DORSEY'S $50 BILLION SQUARE WILL TURN ON #BITCOIN LIGHTNING PAYMENTS FOR 4 MILLION MERCHANTS TODAY BTC IS NOW ACCEPTED EVERYWHERE MAINSTREAM ADOPTION IS HERE 🔥 https://t.co/LQkW6KYNZ6
04:59 PM·Mar 30, 2026
Naaim Sajjad
@NaaimSajjad
@pete_rizzo_ Jack Dorsey’s Block (formerly Square) enabling Bitcoin Lightning payments for 4M merchants signals a massive leap in real world usability. Instant, low fee BTC transactions at scale could accelerate mainstream adoption like never before. #Cointract #Bitcoin 🚀
BREAKING: JACK DORSEY'S $50 BILLION SQUARE WILL TURN ON #BITCOIN LIGHTNING PAYMENTS FOR 4 MILLION MERCHANTS TODAY BTC IS NOW ACCEPTED EVERYWHERE MAINSTREAM ADOPTION IS HERE 🔥 https://t.co/LQkW6KYNZ6
09:16 AM·Mar 30, 2026
Gabagool 22 Trading Bot
@gabagool22
@pete_rizzo_ Adoption is a slow burn, not a switch flip, but this is good news nonetheless. Even though there's some heavy VC backing, it does expose more people to crypto and its possibilities. It's funny, people don't realize how many opportunities are born from adoption, especially in
BREAKING: JACK DORSEY'S $50 BILLION SQUARE WILL TURN ON #BITCOIN LIGHTNING PAYMENTS FOR 4 MILLION MERCHANTS TODAY BTC IS NOW ACCEPTED EVERYWHERE MAINSTREAM ADOPTION IS HERE 🔥 https://t.co/LQkW6KYNZ6
08:11 AM·Mar 30, 2026
Jack Dorsey has been one of Bitcoin’s most vocal corporate supporters for over a decade. After founding Square in 2009 as a simple payments company, Dorsey steadily integrated Bitcoin into the ecosystem, starting with buying and selling on Cash App in 2018, making large corporate Bitcoin treasury purchases in 2020–2021, and rebranding the company to Block Inc. in 2021 to signal a broader commitment to Bitcoin infrastructure and open-source development.
In May 2025, Block announced plans to bring native Bitcoin Lightning Network payments directly to Square’s point-of-sale terminals. Following successful pilots and the formal launch of Square Bitcoin in late 2025 which already allowed merchants to automatically convert card sales into Bitcoin, the company has now completed full activation across its entire network of approximately 4 million merchants, offering instant Lightning settlement with zero fees until 2027.
How Square’s Lightning integration transforms merchant payments compared to the traditional setup
While Square is activating Lightning payments for its network of 4 million merchants, it remains unclear how many merchants will actually enable the feature in the short term and how seamless the customer checkout experience will be in real-world retail environments.
Longer-term questions also persist around sustained merchant adoption, what fee structure will apply after the initial zero-fee period ends in 2027, and whether this rollout will create meaningful on-chain Lightning liquidity or simply result in high auto-conversion rates back to fiat.
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