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Author Topic: Blockchain and space travel  (Read 76 times)
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January 07, 2020, 05:00:03 PM
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Imagine we are in 2100 and we have developed means of space travel allowing us to move way faster than the speed of light to other solar systems.

How cryptocurrency transfers could work if we are in a distance of 15-20 light-years from Earth?

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January 07, 2020, 05:11:37 PM
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With an average time of 10 min between blocks, Bitcoin is ready to go to the moon, but it'll have serious trouble with anything beyond that.
To da Moon! Cool

Side note: this has been discussed before.
Side note 2: and been planned Wink

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January 07, 2020, 08:52:23 PM
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Imagine we are in 2100 and we have developed means of space travel allowing us to move way faster than the speed of light to other solar systems.

How cryptocurrency transfers could work if we are in a distance of 15-20 light-years from Earth?

If we have discovered faster than light travel, we might have also discovered faster than light communications. Something like quantum entanglement.

Else, forget it. Even Mars would have to have their own blockchain/coin, even if they copy bitcoin identically, both would deviate too much from each other, and each will be dominant in their respective planets. We are talking 40min PINGs here.

But that is not the end of it. You will also have to fight TIME. Since you are talking vast distances, if i were to magically teleport you into, say Proxima Centauri (the closest Star beyond the SUN), even there your time will pass slightly different than our time.

I have no idea what effect that would have even with "instant" communications. I am aware there is a tiny bit of compensantion for GPS, since those satellites (believe it or not) live in their own relative time. But the difference is so small apparently there is no big deal adjusting it to a predetermined set.

Indeed things in orbit flow in a different time. Heck, even you in a plane are already in a different time, simply because the higher you (even when not "moving") you are actually moving faster than those below you (Earth rotates, remember? centrifuge). Earth is moving around the sun, at some speed. Our solar system is moving against center of the galaxy, galaxy against the center of the universe...

When speeds relative to each other change, so does the time. Einstein predicted this in the early 20eth century, and by the end of the century it was confirmed correct by Nasa etc.

This is a concept that the common human has a hard time beginning to grasp. How could Einstein predict it? In any case its true.

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January 07, 2020, 09:08:19 PM
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Imagine we are in 2100 and we have developed means of space travel allowing us to move way faster than the speed of light to other solar systems.

How cryptocurrency transfers could work if we are in a distance of 15-20 light-years from Earth?

Did you ever watch a motorcycle movie from the '60s or the '70s? Sometimes those guys swung chains. If we swung chains that were 15-20 light-years long, the far end of them would be going way faster than the speed of light.

It wouldn't make any sense to make steel chains that long. But we might be able to make blockchains that long.

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January 07, 2020, 10:25:26 PM
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we have developed means of space travel allowing us to move way faster than the speed of light
"Never underestimate the bandwidth of a starship full of isolinear chips."

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January 08, 2020, 06:19:27 PM
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we have developed means of space travel allowing us to move way faster than the speed of light
"Never underestimate the bandwidth of a starship full of isolinear chips."

Yeah, but the lag sucks. Maybe that's why Roddenberry envisioned a money less society.

In the meantime we cannot even make it work Earth/Mars... both planets would be forced to use separate blockchains with current technology.

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