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7601  Economy / Speculation / Re: Bloody Crypto market. on: February 23, 2021, 12:55:21 PM
give an idea or something that you know about the current market conditions

TA people were expecting a 30-40% drop one month ago. Since then the price almost doubled (32k->58k). Now we have a correction. Fine. Some want to cash in, the market needs to catch its breath or refuel the rocket.
The rule for investing only money you afford to lose exists exactly to not freak out in times like this.


On a brighter note, it looks like it's trying to start recovering now..
7602  Economy / Trading Discussion / Re: Never catch a falling knive on: February 23, 2021, 12:14:26 PM
If you are not familiar with this term, just look at the bitcoin price as now.  There it goes!

Trading is a risky business and this saying is for traders. Obviously it's better to wait until it's down and buy the bottom. But the bottom doesn't last, so the traders with balls are "fishing".
The rest are watching and waiting.
Some fishers will catch the bottom, some will get burned.

The reference about Bitcoin being a "falling knife" seems kinda wrong.I don't mind buying and HODLing

The reference is for traders. Investors/HODLers will wait until the price rises again. This could be just another refueling stop.

All the hype about Ellon Musk and Tesla buying and adopting BTC is gone.
All the rumors about big institutional investors joining the crypto markets and buying BTC are gone.
When you have those things in mind,it's pretty obvious that the current price correction was pretty much expected to happen and the BTC market will return back to normality.

It rose too fast. A stop for catching breath is good, although it does look scary, I don't deny that. TA people were warning about this around one month ago.
The news come and go. The buyers love these dips, they may even cause them to buy the bulk cheaper.
7603  Bitcoin / Electrum / Re: Electrum Air Gapped Setup Versus Hardware Wallet on: February 22, 2021, 07:17:35 PM
It is not so hard to make 5$ wrench attack on your airgapped computer also, especially if it is laptop.

The idea was that if you are known to have the coins and somebody is already targeting you, there's a better chance he will go for a 5$ wrench attack than something so highly sophisticated as presented in those lists.

the stories of many people who lost Bitcoin just because they made their own airgapped computer for storing BTC, made everything over complicated and lost access to their BTC in the end.
Sounds like crypto horror story but it happens more often than we think, so for most people it's better to keep it as simple as possible.

Yes, overcomplicating the things are easily leading to that. And some try to do cold storage when they don't understand what happens there, again losing funds (I remember that there was a thread about Electrum 4.0.phishing "stole the coins" when the user came online! with the "cold storage"! to broadcast a tx)
7604  Bitcoin / Wallet software / Re: CoinJoin anonymity issue on: February 22, 2021, 03:14:17 PM
I didn't try Wasabi and CoinJoin yet, hence I'm happy you do it and post here (yep, I'm somewhat lazy)
However, I've found something. I am not sure if this means that on testnet anonymity is hardcoded to 2, please read for yourself:

Notice that the minimum denomination and anonymity set are much lower on testnet, for example 0.001 btc and anonymity set 2.
7605  Other / Beginners & Help / Re: Multibit wallet issues not handled elsewhere on: February 22, 2021, 02:38:05 PM
How long should it take for the sweep to confirm into Electrum?

Since the fees are quite big nowadays, it could have been better to import instead of sweep.
Sweep is a new transaction and the confirmation time depends greatly on the fee you've paid for that transaction. If you can find the tx ID, if you paste it into [ https://bitcoindata.science/plot-your-transaction-in-mempool.html ] you may get a somewhat idea of how far you transaction is.
7606  Bitcoin / Bitcoin Discussion / Re: == Bitcoin challenge transaction: ~100 BTC total bounty to solvers! ==UPDATED== on: February 22, 2021, 02:19:58 PM
Can someone help me out,I was wondering how to convert  a PKV to a hex,say PKV was 10000000,how can I turn that into the hex ? I got a new computer and there was a website I had saved on my old one but never thought to save it,I have looked all over and can't find it again.

I'm not sure if this is exactly what you want, but this website allows you convert big numbers to hex: https://defuse.ca/big-number-calculator.htm
You have to enter the decimal number, select the output be Hexadecimal and "calculate". If you don't want digit grouping with spaces, uncheck "add spaces"
(Disclaimer: it's not my website, if you don't like it google for another.)
7607  Other / Beginners & Help / Re: Multibit wallet issues not handled elsewhere on: February 22, 2021, 01:52:45 PM
Thanks for your reply, yes I tried that and the key still comes out not looking like a key - lots of letters and characters, is this a different type of key? Or mini key?

I opened the key file in Notepad. Could this be the problem?

Maybe you are opening the wrong file. Export to a new folder and be careful with the steps. You have an explanatory image here: https://bitcointalk.org/index.php?topic=5269031.msg55003671#msg55003671
The file should be OK to be read with Notepad and should start with readable text:

Code:
# KEEP YOUR PRIVATE KEYS SAFE !
# Anyone who can read this file can spend your bitcoin.
7608  Bitcoin / Development & Technical Discussion / Re: too many addresses in each transaction on: February 22, 2021, 01:44:32 PM
Hello, when exploring blockchain.com there are some transaction that have many input addresses and many output addresses!
Are they transferred total amount of bitcoins from a wallet with multiple addresses ?

This is a standard behavior of many custodian wallets and especially centralized exchanges.

Each user has his own deposit address. The money sent there becomes the property of the exchange and all the trades are made between numbers in the exchange's database.
This means that when somebody withdraws money, the exchange will send others users' deposits. This hopefully explains why more input addresses.

Then the exchange, in order to save costs, will group multiple withdrawals into one transaction, as long as the time between those withdrawals is not too big. So the bigger the exchange, the more output addresses you may find.
7609  Other / Beginners & Help / Re: Multibit wallet issues not handled elsewhere on: February 22, 2021, 01:37:35 PM
When I try to export to Electrum the key I’m finding (following instructions in other threads) does not start with a 5, L, or K. When I paste the ‘key’ i do get into Electrum there’s a greyed our box stopping me from exporting. I have the correct password.

When you export the key, try this time to export it without protecting it with password*
This will make the result file contain one or more keys probably starting with K, then having a space and a date. The key without space and date can go into Electrum**

* Please keep in mind that this operation exposes your private key and if you have malware on your computer you'll lose your funds.
** Please make sure you download Electrum from electrum.org and you verify it before the first use ( https://bitcoinelectrum.com/how-to-verify-your-electrum-download/ )
7610  Economy / Speculation / Re: Bitcoin is dumping, what's the possible reason? on: February 22, 2021, 01:25:31 PM
For now it's back to the oh so scary levels from .. Friday.
I don't expect to get out of the current bullish trend, but I don't have a crystal ball, so I don't predict.
Put the charts to daily candles. I may not stop the current dump, but it may cure your current fears.
7611  Economy / Exchanges / Re: Wirex- Bitcoin Debit Card | Buy Bitcoin | Mobile Banking | Send Money on: February 22, 2021, 01:18:02 PM
But since we're comparing it, how's Binance charging you for ATMs withdrawals in your country directly in RON(!?) ?

I will answer now here, but please try in the future ask this on any other place than competition's topic. Let's be nice.

I've done only test withdrawals, and only 2. One was on bank's exchange rate, meaning some 8% fees (urgh, never again), one was at "issuer" exchange rate, which was exactly VISA exchange rate plus the usual 0.9%.
I don't know yet if it's eligible for cashback or not, since one withdraw was in the free period and one is too fresh. But that's all (!).
7612  Bitcoin / Electrum / Re: Electrum Air Gapped Setup Versus Hardware Wallet on: February 22, 2021, 01:03:34 PM
I don't think anyone goes as far to say that cold storage isn't safe. I've mostly seen people highlighting the focus of hardware wallets and the hardened nature of them against more novel attacks. If you are that conscious about security, then you could possibly get a drop ship of a hardware wallet and do some simple auditing by yourself and could probably give you a peace of mind.

You are right, I didn't phrase it good. I wanted to refer to those considering hardware wallets safer than cold storage.
Imho cold storage is safer because you can have much more control on what happens there and which in most cases you don't really need to update, versus hardware wallets which are not all open source, which can have bugs and hidden flaws (them or the wallets installed).
7613  Economy / Exchanges / Re: Wirex- Bitcoin Debit Card | Buy Bitcoin | Mobile Banking | Send Money on: February 22, 2021, 12:14:47 PM
Is anyone still using the Wirex card?

Mine is still there. But not used. I have some ~4 EUR on it. If they still want to charge me after those are depleted, I'll tell them to f* off.


and I'm trying to figure out if I should bother with Wirex anymore.

I've noticed that the current Wirex card and Binance card have the same issuer (same BIN) and they're also rejected in the same shops.
So I have the same dilemma.
7614  Bitcoin / Electrum / Re: Electrum Air Gapped Setup Versus Hardware Wallet on: February 22, 2021, 12:06:13 PM
If someone manages to break in to your house, load malware on to your airgapped device, and set up some kind of covert monitoring device on your power cable or a microphone to record your hard drive noise, all without you even noticing it has happened, then you have much bigger problems to worry about.

Indeed. I keep reading about people claiming that cold storage is not safe and show big list of possible attacks.
A 5$ wrench attack is much more likely than all those together.
7615  Other / Serious discussion / Re: Bitcoinaires on: February 22, 2021, 10:07:34 AM
I also agree with JetCash.
Bitcoinaire should mean somebody who owns 1,000,000 bitcoin.
If one owns 17.3+ BTC (at 57.5k$) I would maybe call him millionaire (since the million is in USD).


At current price ($57.5k) I am sure there are some bitconaires in this forum with 17.3BTC or more.

Most probably they were on this forum. But quite probably they are no longer here, instead they are busy enjoying life.
7616  Other / Beginners & Help / Re: inactivity fee on: February 22, 2021, 09:51:12 AM

Touché. I didn't expect them handle this in such and amateurish way.
On the other hand, having your own cloud/data center is an expensive endeavor.
But proper RAID, maybe replication too, should be something absolutely normal, else 2 simultaneous bad hardware events may make user data no longer "safu".
As others replied to that tweet, CZ should hire a specialist. It would not cost that much...

Aside from "inactivity fee", beware that few exchange have terms which close user account after several years of inactivity. For example, PayPal do it after 3 years of inactivity (because you don't login or received payment in 3 years).

This is a good point. At least PP is spamming the users in case of inactivity and funds still there. The corresponding e-mail should be still used/read to avoid surprises.
Still, best is to withdraw and be your own bank.
7617  Other / Beginners & Help / Re: inactivity fee on: February 22, 2021, 09:19:29 AM
1 hdd or ssd would be enough to keep all that data.

Actually you are wrong. A proper exchange will have multiple mirrors and backups of their data and will probably use cloud services for their operations. And since the data stays "live" 24/7, the price is bigger than for simple data storage. (Of course, this doesn't excuse them for being greedy.)
7618  Bitcoin / Electrum / Re: huge electrum fees on: February 22, 2021, 09:16:28 AM
Will it increase over weeks, or will it get better?

We cannot know for sure what will happen over multiple weeks.
I do expect, however, that it will reach much higher levels in certain days or periods of time.
And I do expect, especially if Bitcoin price doesn't make big jumps or in the week-ends, to get to lower values (8-9 days ago I've seen under 10 sat/vbyte; last night I've seen under 30 sat vbyte).
But again, the fee depends on how many transactions are made and how much impatient are the senders to get the transactions confirmed (and keep in mind that exchanges and other services are usually "impatient" with the withdrawals).
7619  Other / Beginners & Help / Re: inactivity fee on: February 22, 2021, 08:45:53 AM
What happens to your money if you leave it on the exchange and forget about it? Will they write off the money for inactivity?

It somewhat depends on the exchange. I remember that back in 2017 there were Bitcoin card providers with inactivity fee.
On an exchange it should be written in the ToS or the fees schedule, but, since the ToS usually allows them change anything they want, you can easily end up later with the funds taken even if at start such thing was not possible/written.
Also an exchange can get hacked; or can have bugs; or a software or database change may cause their software "forget" about your money. The money will not be lost, it remains in exchange's wallets. But for you it's lost/taken.
As you should know: not your keys, not your coins. Money is not supposed to be held at exchanges. Especially if you plan to get inactive, withdraw your coins into your own wallet.
7620  Economy / Speculation / Re: Have you noticed that recently Bitcoin went up without big news? on: February 21, 2021, 08:14:08 PM
So, who is buying? Are institutional investors grabbing it quietly? Or is it retailers joining the bull run?

There were threads about institutional investors buying for months more than the miners produce, day after day. Did anything change? I doubt it.
And it's not that much quietly either, it was in the news. For example Grayscale is back on buying, and they do their job steadily.

Did retailers join in? Probably. Some do come only when the trend is favorable, no matter how high is the price.
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