What it means
Today a payment between two different systems usually needs bilateral deals, specialist banks and several days of waiting. The Interledger Protocol, often shortened to ILP, was designed so that any ledger can connect to any other through a chain of independent connectors, much as the internet connects separate networks.
A connector is a node that receives a packet on one ledger, converts it if needed, and forwards it on to the next. Each connector can charge a small fee or earn a margin on the currency conversion, which gives it a reason to take part.
The protocol is built around the idea of conditional transfers. A payment is only completed when the final recipient proves they received it, so intermediaries cannot keep the funds, and the sender is not left exposed if something fails along the way.
For finance professionals the interest lies in cost and speed. If small cross-border payments can settle in seconds at a fraction of today's fees, businesses selling to many countries, or paying many small contributors, could change how they handle payouts and collections.
Standards bodies and open communities maintain the specification, and several software teams have built tools around it. That openness means a small fintech can plug into the network without negotiating a separate contract with every bank, although it still needs a settlement arrangement with the connectors it relies on.
The nuance is that ILP is a protocol, not a company or a currency. It does not hold money, regulate anyone or replace the underlying ledgers, so firms using it still need licences, compliance checks and reliable settlement between the connectors involved.
In practice
Real-world examples.
Example
A video platform wants to pay creators in 40 countries whenever viewers watch a clip. It uses a provider that routes small payments over Interledger, so each creator's wallet is credited within seconds, and the platform avoids paying a fixed bank fee on every tiny transfer.
Example
A mobile wallet in one country needs to send $25 to a bank account in another. A connector converts the currency, takes a small margin and forwards the packet to the receiving bank's ledger. The sender sees one fee, and the recipient sees the full amount in local currency, usually within moments rather than days.
Example
A web publisher experiments with charging readers a fraction of a cent per article. Interledger-style micropayments make this practical because the cost of moving the money is lower than the value of the payment itself. Under a card network, a fixed per-transaction fee would have swallowed the entire payment.
Case study
Seen in the real world.
This is an illustrative story about a fictional company, Meridian Freelance Network, which pays about 15,000 contractors across many countries every month. Its finance team relied on three banks and two payment processors, and each corridor had its own fees, delays and reconciliation file. Month-end close took a week largely because of mismatched payment records.
The team piloted a provider that used Interledger connectors to route payments to wallets and bank accounts. Payments settled the same day, and each one carried a single fee line, which made reconciliation far simpler.
The pilot did not remove every difficulty. Meridian still had to check each connector's compliance status and hold backup funding in two currencies. Even so, the head of finance concluded that having one standard way to move value across systems saved enough time to justify expanding the trial. Month-end close shortened from seven working days to four, and the team spent far less time chasing payments that were stuck between intermediaries. The finance director noted that the saving came from fewer manual matches rather than from lower fees alone.
Watch out
Common mistakes.
- Thinking Interledger is a cryptocurrency. It is a protocol for routing payments between ledgers and has no coin of its own.
- Assuming it removes the need for compliance. Anyone moving money still faces licensing, sanctions screening and anti-money-laundering duties.
- Believing connectors work for free. Each connector earns a fee or a currency margin, and those costs should be compared with traditional routes.
Questions
People also ask.
Who created the Interledger Protocol?
It was developed by a group of engineers working on open payment standards and later moved into an open community process, so no single firm owns it.
How is it different from a payment card network?
A card network is a closed system run by one operator, while Interledger is an open standard that any ledger can implement.
Is it only useful for tiny payments?
No. It is especially good for small amounts because fees are low, but the same routing approach can carry larger payments between connected ledgers.
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