From Dev.to Community
Tech Articles
Curated developer articles, tutorials, and guides — auto-updated hourly
arun rajkumar1d ago • 3 min read
The UK Treasury is asking whether bank APIs should stay free. Do the maths now.
HM Treasury's payments consultation floats FCA oversight of open banking pricing. Here is the ten-mi...
#openbanking#fintech#api#payments
5 3
Tedor4d ago • 7 min read
Why Two Market Charts Can Disagree: A Reproducible Comparison Workflow
An Ositrustees research note on timestamps, market sessions, historical adjustments and source...
#marketdata#database#fintech
28 6
AzaleaOct 16, 2026 • 8 min read
Why Sending USDT Still Requires a Second Coin
If you've worked on a stablecoin wallet, you've probably seen this support ticket. A user has 500...
#cryptocurrency#fintech#blockchain#ux
7 0
Faishal Wahiduddin5d ago • 3 min read
Before AI Moves Money: The Eval Gate I Built for AutoKon
Most AI features fail quietly. A summary is a little off, a label is wrong, a suggestion gets...
#llm#ai#machinelearning#fintech
2 4
shadrach temitayoOct 16, 2026 • 10 min read
Why my underwriting agent can't approve risky loans, no matter how confident it is
A bank teller can be friendly, persuasive, and completely sure of herself. None of that opens the...
#ai#underwriting#fintech#langgraph
1 1
Geoff Cox3d ago • 13 min read
I spent 21 months building a trading system, then had AI models tell me not to start the company
Image credit: author, drawn with code This is a story about how I spent 21 months building a...
#ai#fintech#startup
1 2
cheki1d ago • 7 min read
Reverse-engineering the Telebirr receipt QR code
The Payment QR Code on a Telebirr receipt is base64 around an EMVCo-style TLV with a case-sensitive ...
#reverseengineering#fintech#opensource#python
0 0
polycratia6d ago • 7 min read
A date is not a version: strict parsing under OSV ranges
A vulnerability range is a claim about ordering, and it is worth no more than the version parser...
#go#security#compliance#fintech
0 0
Paul Lovelace2d ago • 1 min read
AI Agents Just Paid Real Invoices. Here's the 5-Protocol Payment Map
Sources: Visa press release · fintechnews.sg coverage · pinkwallet: x402 vs AP2 vs ACP · inriver:...
#ai#agents#fintech#api
0 2
chenningdev5d ago • 4 min read
How developers in Nigeria can actually receive USD payments in 2026
How developers in Nigeria can actually receive USD payments in 2026 Most articles about...
#nigeria#payments#stripe#fintech
0 0
polycratia12h ago • 6 min read
Cite the row, or say unknown: a checkable crypto classifier
A cryptography inventory that prints RSA quantum_vulnerable is asking to be believed. Whether you.....
#go#security#compliance#fintech
0 0
Desi Return2d ago • 5 min read
Modelling India's residential status rules in code (and why a one-year "AY 2026-27" calculator isn't enough)
Every year around ITR season, people search for a "residential status calculator for AY 2026-27"....
#python#algorithms#india#fintech
0 0
Kolos Hetyéssy2d ago • 7 min read
Why MT940 and SEPA files break, and how to check them without guessing
I'm a mechatronics engineering student in Hungary. Over the last months I wrote two small...
#fintech#python#banking#xml
0 0
Damin Mutti4d ago • 4 min read
Parsing credit card statement PDFs: signs, detail lines and a total that has to tie
When you extract transactions from credit card statement PDFs, finding the table is rarely the hard....
#python#pdf#dataengineering#fintech
0 0
Hongwei Wang4d ago • 11 min read
Your PDF bank statement parser is wrong somewhere. Balance checks tell you where.
Use the statement's own opening, closing and running balances to verify transactions extracted from ...
#python#fintech#tutorial#datascience
0 2
polycratia2d ago • 7 min read
Routing a withdrawal is a value, not an if inside the sender
A withdrawal to an address you already custody does not have to touch a chain: crediting it is a...
#python#crypto#blockchain#fintech
0 0
Huzaifa Zahoor2d ago • 4 min read
OTC Crypto Desks for Developers: Order-Book Slippage, RFQ Quotes, and Who Sends First
If you've only ever bought crypto through an exchange UI, every trade looks like the same thing: pic...
#crypto#python#fintech#beginners
0 0
polycratia5d ago • 6 min read
A post-quantum migration plan should print its arithmetic
A cryptographic inventory lists what you have. A migration plan claims what to do first, and that...
#go#security#compliance#fintech
0 0
Andrey Karazhev4d ago • 4 min read
Why Stripe payouts don't match your books
A synthetic Stripe example: a €3,496.99 gap between ledger and bank, explained level by level with S...
#dataengineering#sql#fintech#stripe
0 2
Odd Eggs Studio2d ago • 8 min read
Reading VietQR on the phone: TLV, NAPAS and 28 bank apps
6pm reads a VietQR entirely on the phone: a small TLV reader, a CRC-16/CCITT-FALSE check, a NAPAS...
#typescript#ios#fintech#opensource
0 0
polycratia4d ago • 7 min read
The ledger core takes no lock, and the protocol says whose job it is
Placing a hold is a read followed by a write: you ask what is available on an account, refuse if the...
#python#crypto#blockchain#fintech
0 0
Strikeloan2d ago • 4 min read
Designing Privacy-First Fintech Forms: Protecting Sensitive User Data
Collecting user information is a fundamental part of many fintech applications. A loan application,....
#fintech#security#webdev#privacy
0 0
Roland HUON18h ago • 4 min read
An AI wrote my trading app's currency converter. When it doesn't know a rate, it says 1.0
Thirteen tidy lines of Python, a fallback that looks like caution, and a cache that turns a one-seco...
#python#codereview#fintech#debugging
0 0
Tom Wang2d ago • 2 min read
Stripe Connect vs Adyen for Platforms: Who Pays?
Stripe Connect charge types vs Adyen splits vs Mangopay wallets: who carries refunds and chargebacks...
#fintech#payments#paymentdeveloper#paymentinfrastructure
0 1