🤖 + 💵 = 🤯 ⁉️ 🤯 ⁉️🤯 🚀 💯
Fragment is automating commerce.
We think there are millions of businesses that haven't been invented yet. Not because folks lack imagination, but because it's too hard to build the financial systems that run them. Fragment removes that constraint.
Today, people run companies. With Fragment, they'll run on their own.
fragment.dev/v2
Super proud to be announcing our $12M Series A at Fragment @LedgerAPI
fortune.com/2026/10/14/fragm…
Turns out english is the hardest programming language
vibe coding philosophy post:
One of my beliefs about ai for a long time is that it can encode coding outcomes better than it can produce them.
Like it's so-so (even now) at like "make sure we only make at most 2 db calls in this code."
But excellent at "write code that makes sure we only make at most 2 db calls in this code."
So I try to not ask it to perform hard tasks. I ask it to write code to perform hard tasks.
Come hang out
We’re hosting a happy hour event at #stripesessions
If you want to see what it’s like inside the mind of a ledger, come check it out.
lu.ma/fragment-sessions
Varun Mohan retweeted
Introducing Exponent, a highly capable programming agent. You can get early access today to start using Exponent's clean, developer-focused UX for any software engineering task from exploration to deployment.
Varun Mohan retweeted
Amazon QLDB is shutting down in July. If you’re running QLDB and looking to transition to a ledger purpose-built for engineers, check us out: fragment.dev/get-access
Has anyone figured out how to do code review in a team with Devin by @cognition_labs ?
Coolest gig on the market right now
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Varun Mohan retweeted
Replying to @sankaet
@sankaet @a16z If you give us access to this ledger data, we'll reconcile it to the penny for free
xitter.cf/danprimack/status/1861…
Some readers have asked if I heard from anyone at @a16z after yesterday's piece on Synapse.
Nope.
axios.com/2024/11/25/venture…
Varun Mohan retweeted
Ledgers make money programmable. They can be a bank, brokerage, marketplace or whole economy just by changing the instructions they’re given. But they’re written in a language (accounting) that’s foreign to most engineers. In lieu of ledgers, they rely on spreadsheets and custom code.
A ledger for engineers encodes these instructions in a schema. Schemas are like lego for ledgers: simple, prefabricated software blocks (JSON) you can assemble in a few clicks. With Fragment, you can exchange value in real-time, without spreadsheets and without dedicated teams. And because we track every transaction across all your systems, payments always reconcile and balances are never wrong.
If you’re an engineer and you want a ledger that thinks the way you do, check us out- fragment.dev/get-access
Varun Mohan retweeted
Most ledgers force you to learn a whole new accounting vocabulary before you can use them. Concepts like credits and debits suck because, unlike numbers, they’re hard to reason about. And because they don’t explain why money moved, they’re too imprecise to be reliable.
A ledger for engineers abstracts away credits and debits with Account Types. With account types you get the flexibility to express money in a familiar way (as numbers) and the guarantee that those numbers are financially correct.
If you're an engineer and you want a ledger that thinks the way you do, check us out- fragment.dev/get-access
Varun Mohan retweeted
The trouble with writing code to track money is you never see the money. And by the time you find out you wrote it wrong, it’s too late.
Enter Scenarios, a visual programming interface that shows you the money. With Scenarios, you can simulate your money tracking code before you deploy it. This lets you surface edge cases faster and catch bugs before they cause problems.
Check out a demo to see for yourself.
fragment.dev/get-access
Hello World!
Hello world.
@LedgerAPI, we’re building a double-entry ledger for engineers. Compose any funds flow, turn it into code, embed it in your product, and never get another balance wrong.
Until now, fintech companies were built on programmable versions of the single-entry systems the rest of the economy outgrew in the 1500s. We’re excited to see what’s possible when you arm them with programmable versions of the double-entry systems the modern economy runs on.
Varun Mohan retweeted
Fintech has a ledger problem. We raised $9 million from @stripe , @BoxGroup and angels like @zachperret , @cjc ,@gokulr , @jaltma, @Emiliechoi__ and @thefintechfund to solve it.
techcrunch.com/2024/07/22/di…
Varun Mohan retweeted
Fintech Fragment eases bank account reconciliation, nabs $9M from Stripe, Jack Altmam, others tcrn.ch/4cWcDFO










