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Barclaycard Payments Adds Visa Unified Checkout for UK Merchants
Barclaycard Payments is adding Visa Unified Checkout to its Smartpay Fuse gateway for UK merchants.
Interchange Fee vs MDR: Which Part of a Card Fee Is Which
The MDR is the whole charge for accepting a card; interchange is the issuer's slice inside it.
Self Custody vs Exchange: Keys, Recovery and Risk
Compare key control, recovery and provider risk before choosing where to hold crypto assets.
Cosmos Adds Post-Quantum ML-DSA Keys in Ledger Security 2026.1
Cosmos chains can now move validators and accounts to ML-DSA signatures one key at a time.
Visa and Mastercard Face £700 Million UK Claim Over EEA Card Fees
A £700M opt-out claim says UK businesses overpaid on online sales to EEA cardholders after Brexit.
Proof of work vs proof of stake: how the two systems agree
Proof of work spends computation; proof of stake puts validator capital at risk.
3D Secure Explained: Why Some Card Payments Ask for a Second Step
Why your bank asks you to approve some online card payments, when it can skip the step, and who pays for fraud.
Chargeback Fee: What a Disputed Card Payment Costs a Merchant
The chargeback fee Stripe, PayPal and Square charge, and the other costs of a disputed card payment.
Interchange-Plus vs Flat Rate: Choosing a Card Pricing Model
Interchange plus vs flat rate: one rate for every card, or the real cost of each card plus a markup.
Interchange Fee Explained: Where a Card Payment Fee Goes
Interchange fee explained: one processing fee on the statement, three payments to three different parties.
Tezos Launches Experimental Post-Quantum Testnet
Quantumnet tests changes across accounts, consensus and data availability. It is not a production network.
Form3 Opens Payment Data to Read-Only AI Agents
Its first MCP adapter lets authorized agents investigate payment information without initiating changes.
10 People Shaping Fintech
Ten people whose work helps explain where payments, digital banking and financial infrastructure are going.
Ethereum Layer 2: what gets cheaper?
Moving execution changes the cost of a transaction. It also adds details about bridges, withdrawals and trust.
Stablecoin Payments: Where the Fees Come From
A low network fee is only one part of moving money from a customer's wallet to a merchant's bank.
What You Approve When You Connect a Crypto Wallet
A connection, a signature and a spending permission can appear in similar popups but have different effects.
Why a Cross-Border Transfer Can Still Take Days
The international message can arrive quickly while the recipient's money waits in the last mile.
What Happens After You Tap Your Card?
The terminal's approval is one step in a longer journey from a payment request to settled funds.
MoonPay Launches PayBox for Payments Through AI
PayBox connects payment credentials to chat assistants, with approval modes chosen by the user.
A Crypto Wallet Stores Keys. Where Are the Coins?
Your balance belongs to a network's records. The wallet helps you prove which actions you may authorize.
Visa Plans an AI Financial Assistant for Bank Apps
Visa's in-app assistant is scheduled for a US bank pilot in August, with a wider rollout planned later.
Taproot Assets 0.8 Adds an SDK and Wallet Backups
Lightning Labs adds a Go library and backup options for applications using assets on Bitcoin and Lightning.
SoFi Brings SoFiUSD Into Its Banking App
SoFi members begin gaining access to a bank-issued stablecoin, with wider availability expected in June.
Blockstream Introduces the Jade Core Bitcoin Wallet
Jade Core focuses on guided setup and transaction checks within Blockstream's hardware-wallet range.