Water is the real currency

Three facts

Water is the scarcest thing that moves

Every journey, shipment and litre drunk draws on the same ice. Ceres holds most of the old belt's water, so its quotas are the strongest economic power in the belt, even though it doesn't run the money.

Moving mass costs water

Every tonne shipped costs reaction water, so the goods worth trading are either light and valuable, or bulk flung by mass driver.

Light lag keeps power local

Messages cross the belt in minutes; ships take years. Money moves at light speed, but goods, people and soldiers don't. Whoever runs the ledger has reach across the belt; whoever holds the water has power where it matters.

Four monies

Four kinds of money circulate, and choosing which to hold is a political act.

League credit is hard money

Credits are entries on the Web ledger, and nobody outside the League can create them. A settlement earns them only by selling outside itself, and loses them through imports, fees and outsiders' wages. Every colony's border is a balance of payments.

Scrip is a settlement's printing press

A colony can pay its people in its own scrip, which buys colony goods but not imports. Issue more than there are goods to buy, and prices rise or queues form, and people start asking for part of their pay in League credit. A daughter colony issuing its own scrip is often its first step towards independence.

Company credit is scrip with a markup

Charter Companies pay in their own credit, spent at the company store, like the coal towns that paid miners in scrip. It is the Old Paper in miniature.

The ledger is a fault line

The League's Web and Aurelian's rival ledger compete for the Free Ports. Banking with one costs standing with the other.

Debt

Debt is the belt's oldest institution. The Exodus was built on credit, and some families are still paying for their ancestors' berths.

The Old Paper

Exodus-era berth debts, passed down through families. Aurelian holds most of it, and Charter-born families can still be bonded to it after six generations. The Red Clans never owed it, and the Debtless burn it.

Aurelian loans

Aurelian lends more than it holds, which is how new credit enters the belt. A loan is fast money now, and a debt that outlives the leader who signed it.

Inherited debts

A colony's debts pass to each new leader, along with the last leader's promises and enemies. A loan taken by a founder can shape a colony for generations.

Every splinter colony leaves owing something, though not always money. See what each one owes.

Freight

Orbits, not engines, set how long freight takes. A cheapest-route crossing of the belt takes two to four years whatever drive the ship uses, so the drive mostly decides how much water the trip burns.

Trips run as legs

No small ship can cross the belt in one go, so voyages hop between water stops. Ice fields are the belt's coaling stations: steam ships refuel anywhere with ice and a melter, while hydrogen needs a depot that can split and liquefy it. Selling water to passing ships is one of a frontier colony's best incomes.

Embargoes work slowly

When Ceres embargoes a colony, the depot doesn't close; it stops being refilled. Stock runs down over months, and a colony that hasn't built its own industry finds out what it depends on.

What the belt sells

Goods worth trading across years of transit are either light and valuable, or heavy and cheap to throw.

Spices repeat the oldest pattern in trade: tiny in mass and huge in value. See what people eat.

Helium-3

Helium-3 is the frontier's cash crop: almost useless to a small colony, and very valuable to the few who can burn it.

The solar wind implants it in regolith over billions of years, so only native rock with old soil holds any. Interloper debris has had only 150 years of sunlight and holds essentially none. A harvester bakes a few hundred tonnes of regolith a day, using megawatts of heat, and counts its output in grams.

The by-products matter more. Baking the regolith also releases nitrogen and carbon, and for a small colony those are the harvester's real value: nitrogen for the farms, carbon for the vats. The helium-3 is cash on top.

Only Ceres, Brannock and Shackleton Port run fusion, so only they buy, and every sale takes a side. Selling to Brannock fuels its warships, angers Ceres and the League, and marks a colony as Company-linked, which draws Debtless raids.

How settlements provide

Every settlement answers the same question differently: what do people get as a right, and what do they buy? The blocs already span the whole range.

These are points on a spectrum, and most settlements mix them. Each has a point, and the belt's arguments about them are real disagreements.

Common holds

Ride out lean years well, because scarcity is shared and rationing is accepted. But they struggle to keep specialists, and every allocation becomes a political argument.

Quotas

Keep everyone alive and look fair on paper, but shortages bring queues and black markets.

Charter towns

Are efficient and keep people fed, but they turn workers into debtors, and resentment grows with the debt.

Free ledgers

Attract specialists and traders, but lean years price people out. Charging for water in a crisis is explosive.

Most of the belt honours the air right. Metering air is possible, and some company towns have done it, but it marks a settlement as the worst of its kind.

Where survival is provided in kind, wages are small and buy comforts: feast-day bread, spices, private quarters, a real meal. And a colony that shares everything but hires outsiders at League rates creates two classes. Few things in a small colony cause more resentment.

Government

Who decides is a separate question from who provides. A common hold can be run by one founder or by a council; a free ledger can be an assembly or a merchant oligarchy.

As in classical Greece, a daughter colony can run differently from its mother. The further its ways drift, the harder it pushes for autonomy, and issuing its own scrip is often the first step. For the questions that divide a colony from within, see daughter colonies.