Walk through running a stateful Universal Commerce Protocol (UCP) storefront locally on Spring Boot 4 and testing end-to-end autonomous discovery, cart, checkout, and order flows with any AI agent over MCP, REST, and A2A.
In most software organizations, system architecture lives in a graveyard of outdated slide decks, Confluence pages, and static whiteboard diagrams. CALM (Common Architecture Language Model), hosted by FINOS, turns software architecture into living, machine-readable code.
India's UPI has been a major fintech success story at global scale for last 10 years. It enables billions of transactions every quarter and frequently breaks its own records year on year. Part of this success is India's massive population but more th...
Some of the models are being used to predict the future. This in some sense is astrology meets AI moment where AI that swifts through massive amount of data picks up trends which a human might not. These trends can then be used to make money. Some of...
Large language models have become increasingly better at various things. AI is not limited to just classification or regression but has become really great at doing things like generating text and images. It can also generate steps and programs. Agen...
There have been rumors that Amazon and Walmart, two behemoths are internally developing their own stable-coins. This makes perfect sense given the traction stablecoins have been receiving in recent times. The reason for such move could be that both r...
In fintech circles, generative artificial intelligence (Gen-AI) is already very prevalent, and for good reason. Experts in finance, banking and technology have already expressed their excitement about GenAI's potent ability to obtain predicted insigh...
Fintech is revolutionizing how we interact with money, and engineers are the masterminds behind this change. But it's not just about writing code; it's about understanding the intricate world where finance and technology collide. So, if you're a fint...
Following newswire was released by Paypal. Perplexity today announced that it has partnered with PayPal to power agentic commerce across its Perplexity Pro platform. Starting this summer in the U.S., consumers can check out instantly with PayPal or ...
Tokenization is a process where some party, takes user’s credit card details and converts it into another credit card number. The advantage of this approach is that the party handling user’s credit cards may not bother storing the original credit car...
Visa has recently released their Visa Intelligent Commerce platform. Mastercard has released Agent Pay. Both of these major payment players have now official started offering agentic ai products. This is a major shift in the payment strategy for both...
We have written about stable coins a lot. Stable coins continue to gain momentum in year 2025. The stablecoin market in April 2025 stands as a significant and rapidly evolving sector within the broader cryptocurrency ecosystem. With a total market ca...
Embedded finance is becoming a popular term in fintech world today. In this post we provide you a detailed overview of this term and what it means. Traditionally, business have focused on handful business objectives. For example, Walmart might want t...
Introduction: The Rise of Buy Now Pay Later The financial landscape is continuously evolving, and one of the most significant recent developments has been the rapid emergence and widespread adoption of Buy Now Pay Later (BNPL) services. This innovati...
Klarna, the BNPL providers has supposedly signed a deal with Doordash. This means now you can buy a taco of $7 and pay it over over 3 months. The internet is full of memes around this. However, this deal is important. As fintech experts we can explai...
ou've probably seen it at checkout: options like Affirm, Klarna, or Afterpay offering to split your purchase into smaller, interest-free (or low-interest) installments. This is Buy Now, Pay Later (BNPL), and it's rapidly changing how we shop. What is...
In year 2025, Fintech is one area to watch closely. Among the global turmoil, protectionism in US economy, crypto push from government, a lot is going to happen. To stay on top of the news, here are some important substacks you got to be following. W...
Adyen and Stripe both are technically payment processors and yet they are so different from each other. Stripe saw $1.4 trillion in Total Payment Volume (TPV), growing 38% YoY, while Adyen wasn’t far behind with €1.29 trillion processed (+33% YoY). A...
Here are some trending news items from the fintech world. Hand curated by our editors. Klarna partners with Euronics: Klarna, the AI-powered payments company, has partnered with Combined Independent Holdings (CIH) to bring flexible payment options to...
Road to hell is paved with good intentions. Various lawmakers in USA are proposing that the credit card interest rates must be capped. While their intentions might be noble, the consequences are likely going to have bad impact across the US economy. ...
Venture capital powerhouse Andreessen Horowitz (a16z) is closing its London office, less than a year after its ambitious launch in the UK. The move comes as a surprise to many, given the firm’s stated intention to establish a strong foothold in Europ...
Donald Trump wasted no time selling a memecoin named after himself after his inauguration and the coin hit a theoretical market cap of $60B. This must be seen as crossing of a proverbial rubicon. Some call this grift and some might call this clever ...
A new Bloomberg Intelligence report reveals that artificial intelligence could lead to approximately 200,000 job cuts in global banks over the next three to five years, marking a significant transformation in the financial services sector. [link] Ci...
Credit card and debit cards have been default payment methods of choice in USA for nearly 4 decades now. However, we are seeing a shift towards pay by bank this year and we will see more of it in 2025. Walmart ended their relationship with Capital On...
AI Agents are piece of software that can act to events or act on its own to take several actions which are normally done by humans. For example, a customer support agent who chats with customer and issues a refund. AI agents are old but modern Gen AI...
One of the most important concept when it comes to credit cards is “tokenization”. To understand what it means we need to understand the full context of how credit cards work. In any transaction that involves credit card the owner of the card provide...
Fintech industry’s one of the biggest problems has been identity theft. When bad actors steal your username/password to a financial account, it can put your money at risk. From banks to governments and from users to various other institutions this is...
This article provides a detailed and comprehensive overview of embedded finance, an important trend in the fintech world. Introduction We deal with different services every day. Uber for travel, Walmart and Costco for shopping, United for Flying, Doo...
Generative AI has been all over the news. This in some sense had moved focus away from crypto and everyone was focused on AI. Post US elections, Bitcoin surged to $90K. This is probably because the incoming Trump admin is seen as more crypto friendly...
https://www.youtube.com/watch?v=UakqL6Pj9xo There is a struggle to build the best possible LLM. Companies like OpenAI, Anthropic, Google, Meta etc. are all in the game. But how do we measure the performance of these LLMs? This process is called ben...
he growing use of generative AI in financial services goes beyond automation; it also improves risk management, business collaboration and strategic decision-making. Tools such as BloombergGPT, a generative AI with a finance focus, demonstrate how th...
Bloomberg GPT is a LLM trained by the namesake on over 50B parameters. BloombergGPT outperforms similarly-sized open models on financial NLP tasks by significant margins — without sacrificing performance on general LLM benchmarks LLMs have already ...
Mastercard has acquired a Swedish company Minna Technology. This acquisition has brought under focus the concept of subscription management. What we are seeing now a days is that the users are moving way from the single large payment to subscription ...
Have you ever considered how connected the entire world has become? Every single day, billions of dollars flow across borders, boosting economies and supporting livelihoods. It's incredible to consider the enormous volume of these transactions - mon...
Software engineers working in Fintech often are asked system design questions that focus on fintech systems. Here is a short and simple guide to keep few things in mind when answering such interviews. Choice of database In fintech, the database is on...
In fintech, asymmetric key encryption has been a cornerstone of security mechanism. Historically PGP has been the solution of choice. However with the advent of REST based APIs, JOSE (pronounced as ho-ze) is getting popular. Asymmetric key encryption...
Credit card tokenization is a security mechanism using which a credit card number is transformed into a different number and that number is passed around to merchants and payments processors. Credit cards are a great way to make payments because they...
While 2024 news cycles focused a lot on gen ai, fintech most certainly is going to be one area to look at. We cover there some of the major areas to look at. Transforming traditional banking A lot of banks are struggling to meet the challenges of the...
Buy Now Pay Later or BNPL is new form of payments where a user can immediately buy a product buy pay for it over a time. Normally this sort of payment terms require a loan application and is reserved for large purchases like a car or home. However, i...
Most people think of credit card numbers as what is used to recognize credit cards. This is true, however, banks change the credit card numbers all the time without actually changing the other aspects of the account. When you get a new credit card to...
India’s UPI is being hailed as a success. With billions of transactions per month it is indeed a great system. However, we must also understand the system has many challenges which will only become more serious with time and scale. Economics UPI is a...
Ever wonder how credit card companies such as Visa and Mastercard manage to generate enormous profits year after year? As someone who uses credit or debit cards on a regular basis, you've likely given them your money without being aware of the nuance...
Have you ever wondered why one card may be used everywhere while another is only accepted at a few stores? Perhaps you've questioned why certain applications make it so simple to pay in many locations, whilst others restrict you inside a single brand...
Credit cards are so integrated into our daily lives that it's difficult to think of a time when they didn't exist. Swiping or tapping your credit card is now second nature, whether you're at the grocery store or paying the tab after a lovely supper. ...