I saw the headline and thought we will be having another El Salvador experience in Brazil only to discover they didn’t make bitcoin a legal tender. I think the goal of the Brazil government is to regulate bitcoin and cryptocurrencies. And they are using the FTX scandal as an excuse to do so. I could be dead wrong or paranoid. What do you guys think about this development in Brazil? Is it good or bad for bitcoiners in Brazil?

Brazilian lawmakers have approved a complete regulatory framework for the trading and use of cryptocurrencies in the country.
Voted on Tuesday evening in Brasilia, the country’s capital, the new rules recognize bitcoin as a digital representation of value that can be used as a means of payment and as an investment asset in the South American nation.
The bill applies broadly to a sector which it calls “virtual assets,” and now only needs the President’s signature before it becomes law. It does not make bitcoin or any cryptocurrency a legal tender in the country.
The bill tasks the executive branch with selecting government bodies to oversee the market. The expectation is that the Central Bank of Brazil (BCB) will be in charge when bitcoin is used as payment, while the country’s securities and exchange commission (CVM) will be the watchdog when it is used as an investment asset. Both the BCB and the CVM, along with the federal tax authority (RFB), helped lawmakers craft the overhaul legislation.
Home to a vibrant cryptocurrency economy, Brazil has at times seen more citizens trade coins such as bitcoin than invest in the stock market. Now, the country seeks to set the stage for that to translate into more day-to-day usage in financial transactions.
But not all in the text is positive for the development of the market in the country. A big miss from Tuesday’s vote was the rejection of a clause that sought to cut some state and federal taxes on purchases of bitcoin mining machines. While the text was quite restrictive –– the benefit would only apply to operations using renewable energy sources –– it was apparently not enough to be approved.
Other provisions include the regulation of service providers such as exchanges, who will need to abide by specific rules to operate in Brazil. The bill seeks to regulate the establishment and operation of Bitcoin service providers in Brazil, defining such entities as those who provide cryptocurrency trading, transfer, custody, administration, or sale on behalf of a third party. Cryptocurrency service providers will only be able to operate in the country after explicit authorization by the federal government.
One rule sought to demand that such companies explicitly separate their patrimony from capital owned by customers –– for example, bitcoin the firm custodies for users. The clause sought to prevent events such as the recently seen with FTX, where user funds were commingled with the company’s funds, and help the recovery of user assets in the event of bankruptcy. It was rejected on Tuesday’s vote.
https://bitcoinmagazine.com/.amp/legal/brazil-approves-use-of-bitcoin-as-payment

https://www.nasdaq.com/articles/brazilian-president-signs-bill-regulating-use-of-bitcoin-as-payment

According to CNN, researchers have hit a milestone in Nuclear fusion, I think this new development will change the power tussle to favor the US, if this technology can be fully harnessed they wouldn’t need to depend on Russia oil. But the problem is no one knows when this will happen, it took decades of research before scientists could make this breakthrough. When we do get the knowledge to harness the potentials of nuclear fusion, I believe there will be a battle between the private oil companies and government, they will fight and lobby to keep their billion dollar profit machines and their friends in congress will help them. It is our responsibility as a people to demand for restructuring of our energy to a cleaner and carbon-free environment.

Source: https://amp.cnn.com/cnn/2022/12/12/politics/nuclear-fusion-energy-us-scientists-climate/index.html

Sometime ago I lost my device I use for my bitcointalk account. I was very worried have my bitcointalk username and password saved on my browser which I now realize puts my account at risk because anyone in possession of the device can access my account without my knowledge. I propose as a security precaution that the option of logging out previous sessions and devices be added. I think if there is a way all existing sessions can be invalidated upon a login on a new device. It will be a good option to have on the profile/password change page. I’m not too technical but I googled stackflow for help. What do you guys think?

https://www.webslesson.info/2022/01/how-to-prevent-multiple-login-for-same-user-in-php.html

Is there a list going of affiliate programs for services that work in bitcoin?

It should be listening at 
"tcp       0      0 0.0.0.0:18332" but it's only listening at

Code:

sudo netstat -tulpn | grep 833
tcp        0      0 0.0.0.0:18333           0.0.0.0:*               LISTEN      1641/bitcoin-qt
tcp6       0      0 :::18332                :::*                    LISTEN      1641/bitcoin-qt
tcp6       0      0 :::18333                :::*                    LISTEN     

This is the conf file

Code:

rpcuser=REMOVED

rpcpassword=REMOVED

rpcallowip=192.168.0.3 #this is the miner IP which is in the LAN and is accessible from my PC just fine
#gen=1     #tested with both that commented out and not, not sure if it's needed
server=1
testnet=1

If I comment rpcallowip, it would listen only to localhost connections

Code:

sudo netstat -tulpn | grep 833
tcp        0      0 127.0.0.1:18332         0.0.0.0:*               LISTEN      1709/bitcoin-qt
tcp        0      0 0.0.0.0:18333           0.0.0.0:*               LISTEN      1709/bitcoin-qt
tcp6       0      0 ::1:18332               :::*                    LISTEN      1709/bitcoin-qt
tcp6       0      0 :::18333                :::*                    LISTEN 

as soon as I set rpcallowip to allow the LAN IP, it stops listening at all at this port (only at Ipv6)

really weird, right?

No one seems to be mining on the testnet atm so we can't really test
I have a spare antminer S3 that I can point to it, but no idea how to actually set it up real quick?
if there is quick and easy way to do this, i'll really appreciate it, since it's good to get it done before the end of the work day and week here...

I believe there are few solutions already that allow you to follow your whole crypto-portfolio at a glance. Which one you are using and why?

Are there already any good multi-coin wallets where you solely control the private keys?

Well the first time I ran ./bitcoind -testnet it needed few hours to download the blockchain which is normal.
Then i needed to restart it, just to find that it takes few hours again. (I checked the blockchain and all is  donwloaded in the testnet3 sub-folder)
I left it overnight, and just found that it's running but listening only to 8332 and 8333, instead of the testnet ones of 18332 and 18333

so i started it for 3rd time and it's hanging there in the terminal and god knows how long it will be this time.

So, what i'm doing wrong and how to actually run it so i can connect to it using the testnet blockchain?

Let's say you have your wallet.dat encrypted on the internet facing server, but need to unlock it all the time to refill the pool when generating new addresses (because the service does that for every visitor) and when doing transactions.
So, effectively it's being unlocked like every 10-20 seconds or so when the site gets traffic.
In that case is there any point to encrypt it at all?
How does encryption affects performance on big wallets?

Are there known cases of people having problems just because of the sheer number of addresses they've generated in their bitcoind wallets?
Any info on actual limits?

The popular opinion seems to be that all the power than an asic miner consumes ends as heat, so they are as effective for heating as a heater.
So, if you are going to pay for that electricity anyway, better put it through a miner, so you offset some of the cost with the bitcoins it makes.

Is that really the case though? Are they as effective at producing warm as the conventional stuff and which ones? Since there are many types of home heating devices, each with different effeciency.

Is everyone that uses p2pool effectively mining in the same pool? Or there are clusters of nodes mining separately from other clusters?

Where do we see the total hash power of p2pools?
Does the fee depends on the node you connect to?

I'm currently mining on bitminter which has less than 1% of the total hash power. That's because I like them and want to support them, but seems like the variance is now too much and kinda kills the idea of pooled mining.
So, what's the minimum % of total hash power that you would like your pool to have to mine there?

And isn't that a problem, since more people will realize that like me and switch to bigger pools, which will make the mining in smaller ones even less attractive and fuel that process further faster, and eventually we will have like just a few huge pools where everyone will be.


I'm about to look into p2p mining though. But how many other people will?

As far as I know with every jump to lower NM process the performance/power consumption ratio improves by significantly less, right?
for example, when we switched from 68nm BTF singles to 28nm antminers, we were humming with about 661%  more hashes per second for the same watts
(BTF single 68nm, was doing 60ghs with ~300W at the wall and antminer S3 28nm does 450ghs with ~340W at the wall,  so we have 5W per gigahash in the first case and 0.75W per gigahash in the second.  Which is 6.617647055 times more)

The 20np Neptune claims  0.57 watts per Ghs which is only 1.315789474 times more or 31% better performance

can someone speculate based on that what improvement we will have with the 16nm technology?

Other interesting points of speculation would be when we can expect 16nm (and further)


That info will be useful for some longer term planning

Anyone reliable building something at 20nm or so?
Is anything less than that realistic to expect in the next couple years actually?

Well I just had wallet.dat corrupted so bad that even the bitcoind restore process upon launch couldn't fix it.
Of course I have a back-up, but would be interesting to discuss what usually causes that so we can avoid it in future.
It was latest version bitcoind running on a fairly powerful dedicated server with centOS.
About 20GB free space was left at the time of corruption.

We had 10s of thousands of keys generated because of the nature of the service, and the wallet was over 90mb.

Thoughts?

The PSU seems to shut down when feeding it with just 2. It might be because the cables are made for just 75W and it pulls 180W through each (so it drains 360W in total).
So, I'm thinking can I plug a 3rd pci-e cable, without overclocking it just to spread the power a bit more, or it doesn't work like this?

For about 3 months they were clearly stating in their debit card FAQ that there will be NO FEES. Just $15 to get it shipped and then NOTHING.
Now that they started shipping, suddenly you can see this in the FAQ:
http://help.xapo.com/95219-What-fees-are-associated-with-the-Xapo-Debit-Card
For the too lazy to click a link, the fees are exorbitant and are for everything! Even some made-up sh*t that no other card charges you.
How come, supposedly serious company, with 40M in funding (the biggest funding so far in bitcoin world with bitpay just behind them with 33M) do such bitch like tricks?

What's the point of claiming it will be free for 3 months just to turn around 2 days after shipping the product and cut your users heads with crazy fees?
How are the serious and with good names VC companies behind them allowing that?


I had big hopes for them, but they are worse than bank now and started by making them the most hated company in the bitcoin world.
I say we boycott them and show them that they can get their bit*h a*s, corporate tricks back to their corporate world.

What would be the best way to salvage only the addresses that actually received anything and move them to new wallet.dat?
the old one is corrupt for some reason and is 90mb so we need some automatic way?