Authorization, preauthorization and 3DS
Separate authentication, consent, holds, capture and reversals for clearer checkout and subscription flows.
Cards & payments
Thoughts worth keeping
Make. Think. Write.
Small discoveries from doing the work, and a few things to think through before starting.
13 items
Cards & payments
How virtual cards connect issuing and acquiring
Follow the cardholder, merchant, acquirer, network and issuer through authorization, capture, clearing and settlement.
Cards & payments
Fraud, disputes and chargebacks: what is the difference?
Understand unauthorized payments, transaction complaints, evidence deadlines and the movement of disputed funds.
Digital assets & compliance
KYT funds checks: from risk labels to reviewable decisions
Connect address screening, monitoring, source-of-funds evidence and human review, with explicit handling for unknown results and serious alerts.
Chinese craft
Liling porcelain: from a ceramic school to everyday teaware
Meet Xiong Xiling, Wu Shouqi and Chen Yanglong, and explore the craft, history, documented uses and commissioning process.
Cards & payments
Why can local payments be faster than international wires?
Compare local clearing, prefunded liquidity, correspondent banks, cut-off times and the moment money actually arrives.
Digital assets & compliance
OTC on-ramps and off-ramps: from quote to final receipt
What fiat-to-asset and asset-to-fiat flows need, including same-name accounts, KYT, quote expiry and unknown outcomes.
Cards & payments
What do you need for cards, acquiring and transfers?
Prepare for onboarding with a practical checklist covering KYB, funding, website policies, transaction evidence and integration.
Cards & payments
How to route payments without charging twice
Build explainable, recoverable payment routing around eligibility, transaction state and idempotency.
Digital assets & compliance
Choosing USDT or USDC: assets, networks and receipt conditions
A stablecoin integration checklist covering issuers, native and bridged assets, fees, confirmations and reconciliation.
Advertising & growth
What happens after the ad click?
Look at accounts, creative, landing pages and follow-up as one customer journey.
Products & development
Four things to clarify before building a website
A practical checklist for turning a business goal into a focused first release.
Cards & payments
Align the workflow before integrating a virtual card provider
Questions to clarify about card use cases, state synchronization and exception handling.
Your next good idea.
Shall we?
No perfect plan needed. A hello is a good start.