766 deep dives in 24 categories · last updated
28 matching deep dives
Research Lab: these deep dives are AI working drafts unless tagged Reviewed research. Read how review works.
Payment rails, settlement, financial infrastructure and the movement of money.
Many financial apps and cards run on a partner bank that holds the money, issues the cards or makes the loans, while a technology company runs the app. The model is growing, and some fintechs are now buying banks, but the 2024 Synapse failure showed that customers can lose access to money when the companies in between keep poor records. Regulators have proposed new guidance; it is not final.
Embedded finance puts payments, accounts and loans inside software people already use. The screen belongs to one company, but a bank usually holds the deposits or makes the loans, under rules that still apply. Shopify and Stripe show how large the business is and who carries which role.
Big banks including JPMorgan, Citi and HSBC have built or piloted systems that move customer deposits as blockchain tokens, while dollar stablecoins issued outside the deposit system reached about $320 billion by May 2026. The GENIUS Act, signed July 18, 2025, says a deposit, even one recorded on a blockchain, is not a payment stablecoin. As of October 12, 2026, the main federal rules for stablecoin issuers were still proposals, and the law takes effect no later than January 18, 2027.
State bankers associations have formed an alliance to build a bank-owned blockchain payment network by 2027. It has a board, members and a dues schedule. It does not yet have a public technology partner, a public list of participating banks or a working service.
FedNow and RTP move money between bank accounts around the clock. Fast settlement changes when recipients can use their money, while mistakes, funding and customer support still matter.
An available bank balance and an available banknote are different things. The journey from printing plants through vaults, carriers and ATMs explains how cash reaches the public, why fit notes circulate again and what it costs to keep them ready.
CHIPS combines prefunded settlement positions, payment queues and continuous offsets. The important distinction is between a payment waiting for release and a released payment that is already final.
Microdeposits, prenotes and bank-data checks collect different kinds of evidence. Understanding those differences explains why an account can be verified while ownership, payment permission and the success of a later debit remain separate questions.
A duplicate debit, an unauthorized transfer and an incorrect payroll payment can require different remedies. Network corrections and consumer error-resolution rights follow different rules and clocks.
A hotel reservation can tie up spending capacity before a final charge arrives. Following one bill from approval to posting explains holds, reversals and the temporary appearance of paying twice.
A clearing house can net trades and organize default protection. Margin calls, collateral and the order of loss-sharing explain both the protection and the liquidity pressure it can create.
Banks use other banks’ accounts and services to reach currencies and markets they cannot serve directly. The route’s funding, exchange costs and handoffs determine how much reaches the recipient and when it can be used.
Paying in a familiar currency can select a different conversion service. Rates, embedded markups, issuer terms and ATM charges determine the final cost.
EMV 3DS helps a card issuer assess who is making an online purchase. Following the request from checkout to the bank explains frictionless approvals, extra challenges and why successful authentication still is not a completed payment.
An electronic mortgage note must remain identifiable and transferable long after signing. Following its delivery, custody and control explains why a digital file alone cannot complete a loan sale.
Incoming and outgoing payments rarely arrive in the same order. A timed cash example shows how funding capacity, collateral and payment queues affect the people waiting for a transfer.
Fedwire and Swift reached major ISO 20022 milestones in 2025. Following the information from payer to recipient explains why a common format helps, and why a completed migration does not guarantee a completed payment.
A documentary letter of credit gives an exporter a conditional bank payment promise. It can bridge a buyer-seller trust gap while leaving goods quality, document compliance and financing as separate questions.
A bank can collect a check without knowing which invoices it settles. Lockbox services connect incoming money with remittance data, while deductions, exceptions and returns still require separate decisions.
Positive pay compares checks presented to a bank with the issuer's expected payments. The journey from an issued-check file to an exception decision explains both the service's fraud-prevention value and the gaps hidden by a familiar product name.
A cross-border payment can reach the receiving bank before the recipient can use the money. Swift's messaging, tracking and investigation services help explain that journey, but message delivery, settlement, account credit and recovery remain different events.
The U.S. move to next-business-day settlement shortened the life of an unfinished trade. Allocation, affirmation, netting and funding explain what must happen before securities and cash change hands.
A shared company identifier can connect differently named records and expose group relationships. Its meaning depends on the legal entity, the accounting-parent definition and how recently the data were verified.
Handing checkout to a payment provider can reduce a merchant’s exposure without ending its responsibilities. PCI DSS follows the card data and the systems that can affect its security.
A merchant can receive money from a card sale before delivery or a dispute is resolved. Reserves protect against later claims, but also reduce the cash available to complete orders.
Nacha’s phased rules extend ACH fraud monitoring from payment originators to receiving banks. The rollout adds payment context and recovery tools while preserving separate funds-availability and consumer-law limits.
Remote capture moves the point where paper leaves the collection process. Images accelerate transport, but data quality, duplicate presentment, returns and the legal status of the original still determine what the banks have actually received.
An FX price fixes the bargain, but settlement must deliver two currencies. CLS links those deliveries through payment-versus-payment while netting funding needs; timing, coverage and intermediary risks still matter.
Page 1 of 1 · 1–28 of 28 articles