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6901  Other / Meta / Re: [SURVEY] Who thinks the Lemmings should also be removed as Merit Sources? on: August 26, 2022, 09:25:56 AM
Try to stay focused on the discussion instead of personal attacks, please.
It would probably help if the topic title wasn't about cute little rodents.
6902  Bitcoin / Bitcoin Technical Support / Re: Do pruned nodes help the network? on: August 25, 2022, 01:37:35 PM
I suppose you're running it on a Linux system, without running the software on that device that's connected to the internet? Hey, you've been doing it for a while so nothing wrong with your approach, I was just wondering, since I'm very cautious of unknown applications, even when running on Linux. Strictly downloading the software, isolating it, so that it doesn't compromise to machine or the network. Network is the weakest point in your process I'd assume, but if you aren't executing it on a internet connected device, then I suppose the risk is minimal anyway.
So you mean my local network could be at risk? That wasn't on top of my list of concerns, but I guess it's possible. I wouldn't know how to avoid that though, given that I have to download the blockchain.

Quote
Yeah, anything that requires motion is going to be the biggest power consumptions. So, ideally you'd be running it on a SD card potentially, and without a fan.
If the CPU doesn't overheat without the fan, it can't draw that much power. I've seen laptops with CPUs that take 45W, those wouldn't last without a working fan.
6903  Bitcoin / Bitcoin Technical Support / Re: Do pruned nodes help the network? on: August 25, 2022, 11:37:13 AM
Old laptops are good for running untrusted wallets though, that's what I do:
All this fits on 160 GB Smiley
Just out of curiosity, how are you handling the downloading, and transferring of these untrusted wallets?
I use CoinMarketcap.com to find the "official" website, and then just download the wallet from there. With VPN, of course.

Quote
I usually do it via Qubes OS so everything is isolated, and no need for a old computer, unless of course you want physical isolation, which is always going to be theoretically better than virtualisation.
I don't want Qubes OS as my main system, so if I need another system for it anyway, I could just as well wipe the entire disk when needed.

Can you estimate how much electricity is spent for running pruned node compared to running normal laptop system?
I don't think the pruned node adds much to the power consumption, it's the fact that it's on 24/7 instead of being tucked away in a drawer that adds to the cost.
Let's take a small old laptop and assume it takes 15W. That's 130 kWh/year. I've seen quotes of people paying $0.05 per kWh, but here new contracts go around €0.80 nowadays. So I guess it depends on where you are. Chances are a VPS is cheaper if you pay those very high rates.

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I think old laptops spend a lot of energy for screens and processors, but turning off screen can reduce consumption.
Used RAM is cheap so I don't think that would be a problem, if it's not soldered and can be upgraded.
With 160 GB, I think of an old 1 GB netbook. You may be able to upgrade, but it won't accept more than 2 GB.

Might be something I'm interested in doing though. If anyone has any thoughts on the best way of going about measuring the consumption of both, I'd like to hear them.
I expect the CPU to matter much more than anything else. Rule of thumb: if it needs a fan, it's not good.
6904  Other / Beginners & Help / Re: Privacy Tips: Don't send round amount on: August 25, 2022, 10:54:29 AM
Blockchair has an option to check whether transaction privacy is good or bad.
Don't believe Blockchair's privacy score, it's terrible. This transaction for example has "Privacy 95 High", while it's the exact same thing every week.

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We sent round amount most of the times and the rest goes to the change address.
I sometimes do the opposite: send a round amount to my own change address, and a "weird" amount to the address I'm paying to. Using disinformation for privacy Smiley
You can do the same with fees: change what you pay depending on the transaction speed you need.

For example, if you make a transaction from a segwit address to a legacy address and the change is sent to a segwit address, the legacy output probably belongs to the recipient and the segwit output is probably the change.
That's a good one to manually adjust too, but you'll risk paying more in fees later. Luckily, most services nowadays use native Segwit so all inputs and outputs can have that format.
6905  Bitcoin / Project Development / Re: [privacy] How many Bitcoin chips are out there? on: August 25, 2022, 10:47:58 AM
It's rather surprising 0.256BTC chip suddenly grow >20x in 2022. It makes 0.512BTC chip looks far less popular than 0.256BTC and 1.024BTC chip on 2022.
The difference isn't that much, if you add Legacy and Segwit numbers:

July 1, 2021: 709+20=729 chips of 0.256 BTC
July 1, 2022: 389+2818=3207 chips of 0.256 BTC (4.4 times larger)

July 1, 2021: 646+5=651 chips of 0.512 BTC
July 1, 2022: 289+830=1119 chips of 0.512 BTC (1.7 times larger)

July 1, 2021: 381+11=392 chips of 1.024 BTC
July 1, 2022: 243+991=1234 chips of 1.024 BTC (3.1 times larger)
6906  Bitcoin / Project Development / Re: [privacy] How many Bitcoin chips are out there? on: August 25, 2022, 08:48:18 AM
How many people would put the Chips from ChipMixer idle in the address? We don't have any data but I think most of them are spent from the Chips address.
Actually, we do have the data Smiley It's just that it's a lot of work to get to it, but it's totally possible to check how many chips were funded and emptied (per day).
6907  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] Ethereum: Welcome to the Beginning on: August 25, 2022, 08:17:57 AM
If anyone's interested, I created a mirror for this:
6908  Bitcoin / Project Development / Re: [BACK ONLINE] Bitcoin block data (688 GB): inputs, outputs and transactions on: August 25, 2022, 08:15:23 AM
Ethereum data

I've added ethereumdata.loyce.club:
ethereumdata.loyce.club/calls/ (329 GB)
ethereumdata.loyce.club/erc-20_transactions/ (363 GB)
ethereumdata.loyce.club/transactions/ (69 GB)

I needed this data from gz.blockchair.com/ethereum/ for a project (which I abandoned before my download completed). Since I now have the data, I'll share it (downloading 762 GB at 100 kB/s took forever 3 months).

Updates
New files are added daily.

Disclaimer
I don't like Ethereum, which is a centralized shitcoin that abandoned it's one unique selling point ("code is law") the moment it was convenient for the creator. Don't waste your money on it!
And since it's a shitcoin, I don't think it deserves it's own topic.

Missing files
Those 2 files are missing from my mirror because they're corrupted:
https://gz.blockchair.com/ethereum/calls/blockchair_ethereum_calls_20200113.tsv.gz
https://gz.blockchair.com/ethereum/calls/blockchair_ethereum_calls_20211110.tsv.gz

I sent Blockchair an email about it 3 months ago, but the response I got was this:
Quote
We've checked and haven't detected the issue with the file.
If anyone has the tools to rebuild those 2 files, I'd love to add them!
6909  Bitcoin / Wallet software / Re: I found a paper wallet on a beach ... seriously on: August 25, 2022, 07:17:12 AM
You want to hear one of my wild theories?
What if member easternklaas was actually creator and maker of this fake paper wallet, and he used bitcointalk forum just as promotion for his ''product''.
That's wild indeed Cheesy
It would be a terrible "promotion", because none of this leads to anyone funding the wallet. We don't even know how we'd have to do that.
6910  Bitcoin / Bitcoin Technical Support / Re: Do pruned nodes help the network? on: August 25, 2022, 05:44:19 AM
I tested this a while back, and it did upload more than it downloaded per day. But it will take a long time to "make up" for the 450 GB it has to download first.
I wouldn't run a laptop just for this. It's not worth the electricity, and considering it has a small disk, it's probably low on RAM too.

Old laptops are good for running untrusted wallets though, that's what I do:
I've added this to my toolbox for my Fork Claiming Service: a space laptop with 2 Linux distributions installed in dual boot. The first is to work on, the second doesn't have internet and now has 5 partition images:
1. A fresh installation with VPN
2. A fresh installation with VPN and BCH full client, synced up to 2010, and set to prune. And BCH's Electrum Fork.
3. A fresh installation with VPN and BTG full client, synced up to 2010, and set to prune. And BTG's Electrum Fork (using wine).
4. A fresh installation with VPN and BCD full client, synced up to 2010, and set to prune. And BCD's Electrum Fork.
5. A fresh installation with VPN and eCash full client, synced up to 2010, and set to prune. And eCash'es Electrum Fork.
The laptop doesn't have enough disk space to keep all full clients.

This setup makes it much easier to handle Forkcoins: I restore the partition I need, boot into it, import the address/pubkey, and let it sync. When done, I take it offline, enter the private key, and create a raw transaction to transfer funds. After that, I boot into the second Linux distribution to overwrite the first partition. This makes offline signing relatively easy without ever risking the private key to untrusted software.
All this fits on 160 GB Smiley
6911  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Core Client: Error opening block database on: August 24, 2022, 07:48:33 PM
Can anyone suggest a way that might let me recover from this error?
Have you checked the drive and file system on the NAS? It could be hardware failure.

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For whatever reason, I'm pretty sure it will take my hardware days or more likely, months, to re-download the blockchain.
If you have enough disk space, you can just try a new download. If you put chainstate on a local SSD, set dbcache to 4096, have enough RAM (at least 8 GB but more is better of course), and have enough bandwidth, any modern computer should be able to download the Bitcoin blockchain within a day.
If your "old Windows box" is indeed so old it lacks RAM, SSD and processing power, then it may take quite a while.
6912  Economy / Services / Re: LoyceV's Avatar for Rent [first 🦊🦊🦊3 YEARS🦊🦊🦊 (178 weeks) rented out] on: August 24, 2022, 06:20:00 PM
Thanks again for your flawless timing!
6913  Economy / Economics / Re: Anyone here from Germany? What exactly are your electricity costs? on: August 24, 2022, 11:24:49 AM
I find it interesting that you think is better to have a promise of getting gas (like a Celsius agreement that we will give your money back) rather than having your own gas (your deposits, your gas), which is a bit, interesting I would say.
Not using our own gas in a crisis is one of the many weird things going on at the moment. We also have half a billion tonnes of coal, and we're mining none of it.

There is no easy long-term solution, unfortunately. I doubt we'll ever be able to be self-sufficient on renewables, given how crowded, small and flat the country is.



Nu.nl summed up some of the measures in Germany: starting next month, public buildings can't be heated above 19 oC, and no heating in hallways. No more lamps on monuments, lights off in shops when they're closed, and possibly a ban on heating private swimming pool. The goal: reduce gas consumption by 2%. My gut feeling tells me it's a drop in a bucket.
6914  Other / Meta / Re: Push-down option. on: August 24, 2022, 10:17:04 AM
I don't mind a "normal" locked topic on the Reputation board (for instance when the case is closed), but this feature has also been abused by people to create a thread on someone, bump it, and don't allow them (or anyone else) to respond.
Locked topics are frequently used on the marketplace boards, where scammers advertise in locked topics to avoid warning posts while they lure victims to their Telegram account.
And for that reason, I wouldn't mind if all locked topics drop off the first page instantly. But similar suggestions have been made already, and it hasn't been implemented.
6915  Economy / Service Announcements / Re: [ANN] Preev is down, Im happy to announce the official launch of Pnnv.com on: August 24, 2022, 06:47:25 AM
Working on that as well
Great Smiley Have yourself an avatar!

(I've been waiting for an excuse to bump you up to Full Member)
6916  Economy / Service Announcements / Re: [ANN] Preev is down, Im happy to announce the official launch of Pnnv.com on: August 24, 2022, 05:44:24 AM
The price works now Smiley But the number of decimals needs some work.

Example:
I type: 0.258 BTC
I get 5,541.488399999999 USD (too many decimals).

I type 25 USD
I get 0.001 BTC (not enough decimals).
6917  Economy / Service Announcements / Re: [ANN] Preev is down, Im happy to announce the official launch of Pnnv.com on: August 23, 2022, 03:33:19 PM
Could you please try to clear cache and restart? It seems i can't recreate the problem.
I use Tor browser in Private Browsing mode, so there is no cache.
6918  Other / Meta / Re: Merited Banned Account on: August 23, 2022, 03:10:26 PM
it is unreasonable to expect merit sources to check the status of every user they want to merit using third party tools.
Even worse: third-party data on banned users is incomplete.

Now imagine being on top of Top senders to permabanned users, last 180 days Cheesy
6919  Economy / Service Announcements / Re: [ANN] Preev is down, Im happy to announce the official launch of Pnnv.com on: August 23, 2022, 03:02:38 PM
Https-forward works now, but the Bitcoin price is still stuck at 20k.
6920  Economy / Service Announcements / Re: [ANN] Preev is down, Im happy to announce the official launch of Pnnv.com on: August 23, 2022, 02:22:45 PM
You may confirm it via: https://pnnv.com/
Confirmed. But my browser didn't get forwarded there from pnnv.com, so that's something to add.

I also see the 1 BTC = 20,000 USD value, and refreshing doesn't correct it.
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