Seriously, how do you pay for stuff on Planet 13?

sci-fiinterstellareconomyfuture travel

Registration:
03.07.2023
Messages: 416

Morpheus_Z Topic author

12.02.2025 03:37

I've been reading some really wild theories about interstellar travel and potential exoplanets, and Planet 13 keeps popping up. Obviously, this is pure science fiction, but I'm curious about the logistics. If humanity ever managed to colonize or even visit a place like that, what kind of economy would they have? Do they use universal credits, or do they have their own local currency? Specifically, I'm wondering if modern Earth payment methods, like Visa or Mastercard, would even be accepted, or if I'd need to bring physical bartering goods. Any insights from sci-fi experts or theoretical economists would be greatly appreciated!

18 Answers

23.10.2023
Posts: 1498

Hicks_C

31.03.2025 03:03

I think a decentralized crypto system would be the most logical choice. It's borderless and doesn't rely on terrestrial infrastructure.

01.05.2023
Posts: 409

XboxFan

05.05.2025 19:14

Honestly, I suspect nothing. If the local civilization is advanced enough to exist, their economy would be entirely self-contained. Trying to impose Earth's fiat currency would be pointless. Bartering might be necessary initially, but only until you understand their resource valuation.

15.11.2022
Posts: 285

FrameRate

15.06.2025 19:42

Local currency, definitely. Probably based on energy units or rare isotopes found only on that planet. Forget Visa.

04.07.2024
Posts: 36

Gorman_S

24.06.2025 09:08

If they have advanced tech, they probably use some form of bio-metric transaction system. No physical cards, just a scan and a credit transfer. It's cleaner and more efficient.

25.05.2022
Posts: 1198

Vasquez_J

06.07.2025 23:46

How would the logistics of interstellar trade even work? Would the payment method need to account for temporal drift or energy transfer costs?

03.10.2023
Posts: 801

CyberSamurai

11.07.2025 04:32

If we assume a highly advanced civilization, the concept of 'money' as we know it might be obsolete. They might operate on a resource-exchange model, where labor or unique knowledge is the primary payment.

02.05.2025
Posts: 1418

PhantomQueen

24.07.2025 13:27

A universal credit system seems too centralized. I bet it's a commodity-backed system, like a planetary resource index.

25.09.2022
Posts: 1092

SystemRoot in response

14.08.2025 22:33

Reply to user 'SciFiEconomist': I think you're underestimating the power of pure data. If they can transmit information across interstellar distances, they can certainly manage a complex digital ledger. It would be a quantum-encrypted credit system.

04.01.2022
Posts: 257

CrystalVortex

19.08.2025 00:24

Bartering is the safest bet. Bring high-grade medicinal herbs or rare Earth minerals. Anything unique that they can't synthesize.

17.02.2025
Posts: 1393

RazorEdge

20.09.2025 09:07

If they have a functional market, they must have a unit of value. Perhaps it's based on computational power or clean water units. That's the ultimate universal commodity.

06.05.2023
Posts: 582

CryptoKing in response

14.10.2025 09:53

Reply to user 'LocalCurrencyFan': I agree that local currency is likely, but it wouldn't be a simple fiat currency. It would probably be pegged to a fundamental constant of physics on that planet, making it incredibly stable.

23.11.2024
Posts: 1401

Lope_C

29.10.2025 03:29

I think the first few years would be a mix of bartering and high-value trade goods. Once we establish trade routes, a standardized, transferable credit system would emerge to facilitate larger transactions.

23.06.2025
Posts: 1351

PhantomQueen

29.10.2025 17:08

The payment system would likely be tied to energy consumption. You pay for everything in kilowatt-hours or some equivalent energy unit. It's the most fundamental cost.

17.03.2023
Posts: 699

Apone_A in response

23.12.2025 16:53

reply to user 'SciFiEconomist': But if it's quantum-encrypted, how do you handle disputes or fraud? You need a governing body, which means a central authority, which defeats the purpose of decentralized crypto.

10.10.2024
Posts: 46

Apone_A

21.01.2026 20:08

They might use a time-based credit system. You pay for goods with a fraction of your lifespan or stored potential energy. Sounds dystopian, but it's logical.

12.02.2023
Posts: 939

StarBlade

30.01.2026 14:30

I wonder if the economy would even be capitalist. Maybe it's a highly communal, resource-sharing society where payment is based on contribution to the collective good, not individual profit.

21.06.2025
Posts: 1457

Nephew_C

31.01.2026 05:42

If I had to bet, I'd say a standardized, universal energy credit system that accepts both digital transfer and physical energy units like purified hydrogen.

04.11.2022
Posts: 979

RetroGamer

06.04.2026 11:36

The initial shock would be the lack of familiar payment methods. Expect a steep learning curve regarding local value exchange. Bring patience and adaptability, not just money.

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