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1021  Bitcoin / Project Development / Re: LoyceV's small Linux commands for handling big data on: May 15, 2022, 05:07:00 PM
I do not really understand what do you mean as a "database". Do you think about any particular implementation? What do you mean by ".db format"?
Why not to launch mysql or maybe better postgresql server? Loading file like that to database table is trivial.
RAM has nothing to do with that I think. I mean - it helps, but is not a blocking constraint.

1022  Bitcoin / Development & Technical Discussion / Re: 2^96 same bitcoin address on: May 15, 2022, 09:32:39 AM
For SegWit, where more sha256 are used, distribution of collision could be completely different.
Why are they more? The steps are the same until RIPEMD-160, then it starts having a different path where there are different representations involved. Also, why would the distribution of collision be different? It doesn't matter if it uses SHA256(x) or SHA256(SHA256(x)), the odds remain the same, while the cost of address generation increases.

In my opinion each time you give algorithm the chance for a collision, each time it may happen. In your second example we may have the situation where sha256(x) and sha256(y) produce the same hash SHA256(SHA256(x)) = SHA256(SHA256(y)).
1023  Bitcoin / Development & Technical Discussion / Empty blocks on: May 15, 2022, 08:23:06 AM
So, things like that happens even today, when mempool is full:

https://mempool.space/block/00000000000000000003ca025b0f616f3c78635f3b8f7f45f791b308661ee0a9

Why like that? What happened? Accident or acting on purpose?
1024  Bitcoin / Development & Technical Discussion / Re: 2^96 same bitcoin address on: May 15, 2022, 08:18:32 AM
some private key will get the same address?
Yes, many private keys will create the same address. It's called a collision, but you can't find them.

Math become even more weird if you take into account that each private key produces 1 public key, but then public key may be presented in 2 forms (compressed/uncompressed). Each of that form could be converted into one sha256 value. Then, another operation converts both of that values into ripemd160.
In other words, as number of sha256 results is similar to number of private keys, because we use 2 forms of public keys, we may have the first collision here. Then, limiting results even more to hash160, we may have more collisions. We may assume that for example address from one compressed key, could be also generated by uncompressed key form different private key.
But, the best part is that we do not know exactly where collisions are and how many. Maybe there is "a lot" of collisions during for sha256 but none for ripemd160 (because duplicates were exhausted in previous step)?
And that is for talking about legacy addresses. For SegWit, where more sha256 are used, distribution of collision could be completely different.
1025  Bitcoin / Project Development / Re: [BACK ONLINE] Bitcoin block data (665 GB): inputs, outputs and transactions on: May 14, 2022, 07:44:27 PM
Just a question - for the list of founded addresses, do you take in to account unconfirmed balance at the moment of snapshot or not? And opposite - if address with unconfirmed spending is still included or already not?
1026  Bitcoin / Bitcoin Discussion / Re: Texts/"passwords" as private keys source and transactions on: May 14, 2022, 07:58:34 AM
These are 200 addresses, where there were 18k in the github link. What's the difference? Time?

I think the difference is in pool of used phrases. OP wrote:
From 500 000 passwords I've got

0.5mln is not so much, probably if database would be bigger, there results could be closer to 18k.
It is interesting exercise, but I think currently it has not so much sense, as brainwallets are not popular anymore. It could be good to see which phrases were used, but IMHO it is just a sociological experiment (to see how many people created a wallet using dog's name etc.).
1027  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 13, 2022, 09:48:23 PM
Thank you guys for the answers, yes it's an outgoing transaction, I've checked the address, it has a lot of unconfirmed transactions since May 11th.
It doesn't matter if the recipient's address has a lot of unconfirmed transactions. This won't affect your transaction.
What matters is that you didn't use unconfirmed inputs (from a parent transaction) in your transaction. A transaction won't confirm if it has any unconfirmed inputs.
Yeah, I wanted to say freebitcoin is paying very low transaction fees , it'll take very long time to be confirmed.

How long do you wait? Maybe @TheQuin could tell if they have any procedures for "delayed" transactions and if they consider increasing fee.
1028  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 13, 2022, 05:17:44 PM
What will happen to the unconfirmed transactions? It's been about 48 hours.

incoming or outgoing?

Only option is RBF I think, but I am not sure if team (in case of outgoing transactions) would like to speed them up. Fee is already paid, transaction executed...
Now there is a HUGE waiting list... 65k transactions in the mempool waiting for their turn.
1029  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 13, 2022, 05:13:43 PM
So you bet twice on the same coin ? Now that's a different strategy. Why not place the bet in the last week itself ?
Although it won't give the early bet benefits but it will give a better speculation on what the price could be.
I generally place my bets on last 2 days of the countdown.

Yes, me too, but I though it could be good to get a slightly bigger part of prize because of time weight multiplier. You know, early birds has some extra gain.
Of course it is too early to say something definitively, as we are in the middle of month, but we may limit our bets to 1,2, max 3 ranges. And odds are so good now, it is worth to take a chance, imho.

1030  Bitcoin / Bitcoin Technical Support / Re: Bitcoin Core-- electrum personal server install help [RHEL 8] on: May 13, 2022, 03:11:15 PM

I'd recommend electrs for low resource utilization and good performance: https://github.com/romanz/electrs
My own install guide for it is based on openSUSE (zypper package manager), but it's basically the same for other Linux distributions.


+me

electrs works really good, installation is not difficult, it synchronizes quite fast and uses reasonable amount of disk space.
1031  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 13, 2022, 07:33:43 AM
This isn't good moment to make the prediction for this round. Bitcoin price is fully unpredictable now. The situation is too complicated now and it will be hard to predict where Bitcoin price will reach in next few days. Currently the highest amount of bets has been made on 32.5k to 35k price range.

Maybe what we see are very early bets, from the beginning of May?
Anyway, I placed my bets (not so big) on rather low price, for serious betting I will wait one more week.
1032  Local / Polski / Re: Pospekulujmy o aktualnej i przyszłej cenie BTC. on: May 12, 2022, 06:23:42 PM
Chyba dobrze opisane przez Tytanowego: https://bitcointalk.org/index.php?topic=5360443.msg60113723#msg60113723
1033  Local / Alternatywne kryptowaluty / LUNA, Terra, UST on: May 12, 2022, 03:58:24 PM
Ja się na tym wszystkim nie znam, ale czy ktoś może mi wytłumaczyć z grubsza co się stało z LUNA? Wszystko wyparowało?
Token/altcoin czy co to tam jest przyjął swoją rzeczywistą wartość czyli 0?  Cool
1034  Bitcoin / Bitcoin Technical Support / Re: Still no confirmation on blockchain... on: May 12, 2022, 11:27:51 AM
Hello, can anyone say how long it takes to confirm this transaction. It's been over 2 hours. I think the fee for this transaction is good.

https://www.blockchain.com/btc/tx/f38ed933edf52060d621ec09de85e116acb3790f7f39b97507897cfa725f3fcb

Hard to say, mempool is full of transactions like yours. If you take a look at that graph:
https://jochen-hoenicke.de/queue/#BTC,8h,fee,17
You will see that 17sats does not guarantee it will be confirmed in the next block. And looking back for last 24h, the situation is the same.
I would suggest to increase fee if it is possible - or just wait.
1035  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 12, 2022, 11:04:58 AM
It is still 11 days to deadline, but maybe it is a good moment to bet on BTC price? I know, I know, recently it changes very quickly, but range 20-25 has odds 17.65, 25-30 has 7.57. It could give a good result with current time weight multiplier, no?
1036  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 12, 2022, 07:16:51 AM
I am strongly considering losing my premium membership and selling all the FUN I have which is now near the 0.021 Bitcoin while my investment was 0.008 in total plus some let's say 0.002 that I have kept buying from my Freebitco.in balance that I got from my WoF daily during a year or so.I think the Bitcoin price will recover and who knows that 0.021 Bitcoin may buy me near 125.000 FUN,the only problem is,will I lose all the Premium Membership levels and days that I have hold the FUN,I am assuming so and for the moment I am waiting,if FUN goes up more in Sat price I will lose all my benefits and sell them,this is a golden opportunity to do so.

Why do you want to go all-or-nothing? Cannot you keep 5k, just to keep 1st level benefits?
It would make the future come-back easier, no?

By the way, at the moment of writing, FUN is listed on Binance in top 10 gainers, with a loss 7.67% ;-)
1037  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 12, 2022, 06:38:28 AM
FUN token price goes up to 32 sats. It is a clear win for hodlers, especially the one's who locked their tokens for a longer period (of course the other issue is that FUN to FIAT is less than recently, $0.008 now).
I have some sats to spend, I was wondering if not to buy more tokens, but price was 30, so I decided to wait for the next F1 GP... Now, as it is 32sats, I will not buy for sure. Maybe there will be a short moment when BTC price go up, then I will reconsider buying tokens, but for now they are too expensive imho.
1038  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 11, 2022, 04:13:14 PM
Some time ago I showed screenshot from my mobile, where pop-up for buying WOFs for RP shows the wrong price (still 40). Then, new pop-up up appears (I really do not like that 'cascade' idea) with summary of transaction - and then price is correct (the real price for transaction).
What annoys me is that I still have no idea how to refresh the page to have updated WOF price. For weeks I see '40', I have tried to refresh the page - but then I am redirected to the home page. If I enter into Rewards->WOF/RP transaction page, I still see old price.
1039  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 11, 2022, 06:31:48 AM
Yesterday I used 72 spins that I have collected with the WoF bonus 5 WoF for roll and the results I guess are amazing as I won 10.000 Lottery tickets,twice the biggest prize,about 6000 RP,once the biggest prize and near 1200 Satoshis.
Compared to what I have seen from people spinning like 900 to over 1000 spins I think the above result are great,I immediately opted again for the 5 WoF per roll bonus and let's see how it goes now,I like spinning the spins one by one and not play all of them.

If I were jealous I would say "pics or it didn't happen!" ;-)

Indeed, results sound good. Like complains on the forum make a change. Definitively now is the time to spin and execute WOFs.
I must wait 1 more month for level up and 7 daily WOFs.
1040  Economy / Gambling / Re: FreeBitco.in-$200 FreeBTC⭐Win Lambo🔥0.2BTC DailyJackpot🏆$32,500 Wager Contest on: May 10, 2022, 07:51:34 PM
My Bets are being removed few seconds after I place them...

I think it is just a cache issue, kind of delay. You will soon see all your bets with amounts set. On the bottom of betting page (per event) you should see your bets. Just give it a little time.
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