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21 Bitcoin Computer Walkthrough

Come along on a walkthrough of the 21 Bitcoin Computer! The command line tools, bitcoin mining, the Zerotier network, Causeway, and Up servers will all be covered. Subscribe if you want to see more like this.

0:20 Status and mine commands
2:37 Mining dashboard
5:28 Install Causeway server
10:04 Zerotier
11:43 Finding endpoints with the Up directory server
15:35 Browsing endpoints with the Up browser

Transcript:

Hello everybody. My name is David Sterry and I wanted to show you guys the 21 Bitcoin Computer. So basically this is a computer that is a Raspberry Pi with a mining chip attached to it. I’m just going to take you through some of the commands. Here I am already logged into it and I’m going to start out by just showing the 21 status command. It shows my account name there and it shows the hash rate, whether it’s mining or not. It shows the amount of satoshis that I’ve mined. Also a balance here. They put it in terms of how many queries you could do against 21’s service although I don’t think that that works yet. It’s an estimate.

Then the next thing we can do is 21 log. That will show the history of what’s happened most recently on the 21 Bitcoin Computer and with the account. For example, it looks like somebody purchased my Up premium thing which is a directory server to find endpoints. So that’s the log and you can scroll through it and what not. It will show history. I don’t know how far back it goes. But you can see basically like every 10 minutes how many satoshis you’ve mined. They’re giving you that by sort of by a share model. It’s not actual blocks that they are mining with their pool at that time. They’re just paying you for how many shares you sent in during the last 5-10 minutes.

The next command I’ll do is 21 mine. This is actually supposed to give you an advance, since I’m already mining, it’ll give me an advance of 20,000 satoshis against my account and they say that that will just reduce the payout for a little while. So it says you mined 20,000 satoshis in 0.8 seconds. I didn’t really mine those just then. But basically they gave me like a micro-micro loan. That’s worth about 8 cents, 7 cents, maybe 10 cents. I don’t know.

In any case, that’s the 21 mine command. If you are not mining, that starts mining. If you are mining already, it gives you the advance.

So the next thing I’ll do is show the dashboard and this one we do mine dashboard. It gives you a little thing to tell you it’s going to run. Here’s showing this information about what miner daemon, what kind of miner it’s running. I’ve had the Bitcoin computer running for 10 days. Their address for mining. My username. How many shares have been accepted. You’ve got the adjusted hashrate over the last 5, 15, and 60 minutes in gigahash so you can see I’m a little lucky recently.

I expect that the hardware is probably just crunching away at the same stuff but the hardware is getting these shares and solving them. We can see also the internal temperature, current, this kind of stuff.

I have a kilowatt hooked up showing 24.5 watts right now and if I turn off mining I get like 3 watts so that shows your efficiency.

You can see down here, solution event, it’s been accepted by the pool. Every so often it’s updating these statistics on the screen and the monitor whatever that is. So here’s work event, it’s getting a new piece of work from the 21 pool to do. The difficulty shows, maybe you can tune this but in any case, difficulty sets how long it should take roughly to mine a share and you want it to be frequent enough because you don’t want a block to be found and then the work you’re working on to be invalid. Basically you’re working on the wrong thing. (to be continued)

For more info on mining, check out how it can be done (slowly) in Excel:

Send satoshis that my AI can use to buy more endpoints!

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