The money machines will use.
When an AI agent buys compute and a delivery robot pays for its own route optimization, what settles the transaction? Not a bank. This is the payment layer of the machine economy, and it is being built now.
Machines cannot open bank accounts
The whole payment system we have was designed for people. It assumes an identity, a jurisdiction, a business day, and a human who can be held accountable. An autonomous agent has none of those. It exists as software, it acts in milliseconds, and it needs to pay another piece of software it has never met, with no shared bank, no shared country, and no one to call if it goes wrong.
That is not a small inconvenience. It is a wall. The machine economy cannot exist on rails that require a human to approve every move. It needs money that is native to software: final, permissionless, and always on.
Bitcoin for settlement, stablecoins for the fast lane
Bitcoin is the settlement layer. It is the base layer of sound money: no permission required, no counterparty to trust, final by design. When value has to move between two machines with nothing in common, bitcoin is the neutral ground both can rely on. It is the only money built for actors that are not people.
Stablecoins are the fast lane on top. For the high-frequency, low-value transactions a machine economy runs on, a robot paying fractions of a cent per inference, an agent settling a thousand micro-purchases an hour, dollar-denominated stablecoins give speed and a stable unit of account, while bitcoin anchors the system underneath. This is the and-not-or answer: sound settlement and fast rails, not one at the expense of the other.
Why this is inevitable, not optional
The cost of intelligence is collapsing. One agent can already do the work of a team, and it does that work by consuming services: compute, models, data, bandwidth, physical actions. Every one of those is a transaction. Multiply that by billions of agents and robots and you get a volume of machine-to-machine payments that no human-gated system can process.
Something has to settle it. It will not be a card network built for shoppers or a bank built for business hours. It will be programmable money that machines can hold and move on their own. That is the opening, and it is wide.
What gets built here
Wallets that belong to agents, not people. Metering and settlement for per-inference pricing. Escrow and reconciliation that run in code. Treasury for companies whose largest counterparties are machines. The founders who see that bitcoin, stablecoins, AI, and robotics are one system, not four sectors, will build the infrastructure the rest of the decade runs on. That is where I put capital and conviction.