Square Begins Rollout of Bitcoin Payments for Sellers, Targets Full Availability by 2026
Payments are settled in real-near time using Bitcoin layer-2 Lightning, with Square processing the exchange into fiat

What to know:
- Square has begun the rollout of bitcoin payments to merchants on its network.
- The Jack Dorsey-founded company has begun onboarding the first sellers enabling them to accept Lightning Network-powered BTC payments from customers.
- Square plans to make the service available to all merchants using its sales terminals by next year.
Jack Dorsey's Square (XYZ) has begun the rollout of bitcoin payments for merchants on its network.
Square began onboarding the first sellers, enabling them to accept Lightning Network-powered BTC payments from customers, Owen Jennings, executive officer at Square's parent company Block (XYZ), posted on X on Tuesday.
Payments are settled in real-near time using Bitcoin layer-2 Lightning, with Square processing the exchange into fiat.
Square plans to make the service available to all merchants using its sales platform by next year.
The company piloted the system at the Bitcoin 2025 conference in Las Vegas in May, allowing attendees to make purchases in BTC by scanning a barcode.
Square regards Lightning as fundamental to its plans to accelerate bitcoin payments adoption, which has been hampered historically by slow speeds.
Lightning tackles this by creating micropayment channels that can process transaction away from the main Bitcoin blockchain.
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KuCoin Hits Record Market Share as 2025 Volumes Outpace Crypto Market

KuCoin captured a record share of centralised exchange volume in 2025, with more than $1.25tn traded as its volumes grew faster than the wider crypto market.
What to know:
- KuCoin recorded over $1.25 trillion in total trading volume in 2025, equivalent to an average of roughly $114 billion per month, marking its strongest year on record.
- This performance translated into an all-time high share of centralised exchange volume, as KuCoin’s activity expanded faster than aggregate CEX volumes, which slowed during periods of lower market volatility.
- Spot and derivatives volumes were evenly split, each exceeding $500 billion for the year, signalling broad-based usage rather than reliance on a single product line.
- Altcoins accounted for the majority of trading activity, reinforcing KuCoin’s role as a primary liquidity venue beyond BTC and ETH at a time when majors saw more muted turnover.
- Even as overall crypto volumes softened mid-year, KuCoin maintained elevated baseline activity, indicating structurally higher user engagement rather than short-lived volume spikes.
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Ethereum Foundation makes post quantum security a top priority as new team forms

EF researcher Justin Drake says a new post quantum team will drive wallet safety upgrades, research prizes and test networks as quantum timelines shorten.
What to know:
- The Ethereum Foundation has elevated post-quantum security to a top strategic priority, forming a dedicated Post Quantum team led by Thomas Coratger with support from leanVM cryptographer Emile.
- Researcher Justin Drake said Ethereum is shifting from background research to active engineering, including biweekly developer sessions on post-quantum transactions and multi-client post-quantum consensus test networks.
- The foundation is backing new cryptography with funding and outreach, launching two $1 million prizes, planning post-quantum community events and education, and stressing that blockchains must prepare early for quantum threats despite their long-term nature.











