Bitcoin can be use by future Mars Inhabitants?

[DDuckworth]

Some day in the future we will have human settlements in Mars can they use bitcoin?

I think they would start out using some different colored coins - so that connecting with earth's markets weren't a problem.  They would probably have an inTRAnet on mars that was just for them.  Then there would just be a BTC exchange rate for the mars colored coins vs. the earth coins.

[freedomno1]

Some day in the future we will have human settlements in Mars can they use bitcoin?

Perhaps it requires an internet connection but it might be possible to send transactions from Mars across space to Earth and is more efficient than wasting mars resources on printing paper money and currencies, which can then be used for other purposes.
As a settlement currency it doesn't seem like a bad idea.

[Kprawn]

There are already a project targeted at putting the blockchain in space.

Would they need to have a currency, when they first colonize Mars. {Not in my opinion} The first people would be properly funded, by their governments as a experimental project.

When infrastructure is built and more people go there, they will barter with goods and as it grows, a digital currency would be prefered, because recources to create fiat money, would not be available.

[will_see]

To my mind, first 10-50 years they will make all transactions with food, stuff etc.

[Hiraga]

funny dreams here

[bitsmichel]

Some day in the future we will have human settlements in Mars can they use bitcoin?

Earth-Mars transactions would currently not be so fast. The distance to mars is about 1.5 lightyears, If I am not mistaken. Faster than light is necessary for crypto to work on such an enormous scale - nobody wants to wait about 2 years for a transaction.
 
On Mars itself - of course. But to mix the economies into a space economy, faster than light is necessary. For now, moon-earth crypto is about the largest we can do.

[commandrix]

Some day in the future we will have human settlements in Mars can they use bitcoin?

Earth-Mars transactions would currently not be so fast. The distance to mars is about 1.5 lightyears, If I am not mistaken. Faster than light is necessary for crypto to work on such an enormous scale - nobody wants to wait about 2 years for a transaction.
 
On Mars itself - of course. But to mix the economies into a space economy, faster than light is necessary. For now, moon-earth crypto is about the largest we can do.

I suggest you take a class on astronomy. Mars is not 1.5 lightyears from Earth. At its farthest from Earth, it's something like 22 light minutes.

[DDuckworth]

Some day in the future we will have human settlements in Mars can they use bitcoin?

Earth-Mars transactions would currently not be so fast. The distance to mars is about 1.5 lightyears, If I am not mistaken. Faster than light is necessary for crypto to work on such an enormous scale - nobody wants to wait about 2 years for a transaction.
 
On Mars itself - of course. But to mix the economies into a space economy, faster than light is necessary. For now, moon-earth crypto is about the largest we can do.

I suggest you take a class on astronomy. Mars is not 1.5 lightyears from Earth. At its farthest from Earth, it's something like 22 light minutes.

At 22 light minutes, would the slowing of confirmation times cause an issue in the blockchain?

[freedomno1]

At 22 light minutes, would the slowing of confirmation times cause an issue in the blockchain?

Good question, it would likely relay through the mars network first then the nodes would communicate with the ones on earth in theory
Not sure though two separate clients would probably  be needed  one for mars and one for earth.
Or block generation changed to once every 30 minutes and a small fork for mars and earth luminal communications.

Still pretty fast for the distance from earth to mars lol.

[zeeshan98210]

We need to find a alternative signal carrier that is much faster than light for the bitcoin to function properly. The speed of light is unrealiable for long distance space communication. If we try harder their could be a way transmit information faster than light.

[bigasic]

They have plans to colonize mars, im sure its probably already been mentioned in this thread, but they are looking for the first few people to go in about 7 years or so. They are sending satellites there soon for communication, I believe there is about a 20 minute time delay so phone calls are out of the question, but bitcoin is sure a possibility as im sure they will have internet access, just a 20 minute delay.

It will take hundreds of years for them to get enough people to really colonize mars, I dont understand why anyone would want to be the first one there, but someone has to...

[Arriemoller]

Given how much of a drought there is there, I think I will be selling cups of water for 1BTC each...

yeah i have some stocked up.. i should get even more. water is life, water is important.

california is such a shitty place to live though.. sales tax is something like %8.2ish percent, electricity bills are going up and up, and now we don't even have enough water to drink.

Sales tax in Sweden is 25%, We have plenty of water though, and fairly cheap electricity.

[Fray]

They have plans to colonize mars, im sure its probably already been mentioned in this thread, but they are looking for the first few people to go in about 7 years or so. They are sending satellites there soon for communication, I believe there is about a 20 minute time delay so phone calls are out of the question, but bitcoin is sure a possibility as im sure they will have internet access, just a 20 minute delay.

It will take hundreds of years for them to get enough people to really colonize mars, I dont understand why anyone would want to be the first one there, but someone has to...

If there was a 20 minute delay with the internet, wouldn't that mean that if you tried to send a TX it would be possible that those inputs could have been spent 2 blocks ago?

[DDuckworth]

We need to find a alternative signal carrier that is much faster than light for the bitcoin to function properly. The speed of light is unrealiable for long distance space communication. If we try harder their could be a way transmit information faster than light.

Wouldn't that be near impossible?  I would think the only way for that to occur is if we found a wormhole which would simply shorten the distance (think bent space-time) rather than actually travel faster than the fastest thing possible.  The reason nothing travels faster than light is because time actually stops at that speed.

If you were a photon escaping the sun, you would experience no time on your journey to earth, it would be an instantaneous start and stop method of travel for you.  The only reason the 8 minutes of time occurs to us is because the speed at which we view the universe.  But for that photon, no time passes at all.  Meaning, you would never age during that travel speed.

[phillipsjk]

I think the answer is yes: martains can use Bitcoin. They will want to set up their own coin employing "proof of low latency" for blocks taking more than a certain amount of time. That way, they can have their own block-chain without being swamped by Earth's hash-power.

While TCP will not work over those distances, broadcasting transactions to a relay should work fine.

[ebliever]

the limit to mars - earth communication is about 4 minutes
so blockchain will probally split, a mars block chain and an earth blockchain.
the earth miner will have a 4 minute propogation disadvange for a mars miner to find the next block compared to a local earth miner.
then if by accident a mars miner get the next block then it would be hard for a earth miner to get the next block due to a 4 minute delay.
thats just all theory.

Actually it would be a minimum of ~5 minutes (when the planets were both aligned on the same side of the sun). When on opposite sides it would be more like (8+8+5) 21 minutes, as someone else mentioned. That would suck for confirmation times. A Marscoin at that point would be a no-brainer. Sigh, actually I think there already are clonecoins named after all the planets... I suppose that's one item we can check off the Master Colonization Checklist, at any rate. 

[Prez]

Mining would be a waste of energy on mars.

[freedomno1]

Mining would be a waste of energy on mars.

That would depend on the ability to use local resources to build a system of exchange
If its their own client one computer could do all the work for it and no one else would mine 
A single centralized node

Either way it saves the costs of printing money or wasting resources to create paper currencies vs a phone app.

[phillipsjk]

Sigh, actually I think there already are clonecoins named after all the planets... I suppose that's one item we can check off the Master Colonization Checklist, at any rate.  

I concluded the one I know about is essentially a scam because it is not being started by actual martian colonists on the red planet. They hope to get there using "marscoin" as a fund-raiser: but there is no urgency to start a Mars block-chain since Bitcoin exists.

When a Mars chain becomes important is: when they have a large enough population to set up a relatively independent economy. All transactions involving Earth will probably require Bitcoin conversion anyway.

[btcracer1]

Mining would be a waste of energy on mars.

Maybe the Mars population will have such powerful computers that mining will be pointless and won't exist anymore.