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10421  Local / Português (Portuguese) / Re: Binance Hackeada on: May 08, 2019, 01:33:36 AM
Caramba, logo a Binance. Geralmente quando essas exchanges que estão no topo assim são hackeadas, a popularidade delas cai bastante nos próximos meses. Mas ótimo que já de cara eles falaram que nenhum user seria afetado com isso. Sinal que estão com uma quantidade grande de dinheiro em caixa.  Grin

Vamos ver como o BNB vai reagir a isso nos próximos dias (no momento está com um dump de 10%).
Diz na publicação deles que os 7000 BTC roubados representam apenas 2% da carteira deles; e que o restante está em uma cold wallet. Se $40 milhões equivale a apenas 2% do total de BTC deles (nota: só BTC), então sim. Eles estão nadando na grana.

Aliás, não foi nenhuma invasão. Foi a mesma coisa que já aconteceu antes de aproveitarem dados de varios usuários (obtidos por phishing) para fazer um ataque e saque em massa.
10422  Local / Português (Portuguese) / Re: Binance Hackeada on: May 08, 2019, 12:16:38 AM
Enfase nessa parte da notícia:

Quote
Binance will use the #SAFU fund to cover this incident in full. No user funds will be affected.

Ou traduzido (mais ou menos):

Quote
A Binance vai usar o fundo #SAFU para cubrir o incidente por completo. Nenhum usuário será afetado.
10423  Economy / Exchanges / Re: Binance Has Been Hacked - Lost 7,074 BTC on: May 08, 2019, 12:07:56 AM
From the same link you posted above:

Quote
Binance will use the #SAFU fund to cover this incident in full. No user funds will be affected.
10424  Economy / Exchanges / Binance just lost 7000 BTC in a security breach on: May 08, 2019, 12:06:17 AM
Quote
We have discovered a large scale security breach today, May 7, 2019 at 17:15:24. Hackers were able to obtain a large number of user API keys, 2FA codes, and potentially other info. The hackers used a variety of techniques, including phishing, viruses and other attacks. We are still concluding all possible methods used. There may also be additional affected accounts that have not been identified yet.

The hackers were able to withdraw 7000 BTC in this one transaction: https://www.blockchain.com/btc/tx/e8b406091959700dbffcff30a60b190133721e5c39e89bb5fe23c5a554ab05ea

The above transaction is the only affected transaction. It impacted our BTC hot wallet only (which contained about 2% of our total BTC holdings). All of our other wallets are secure and  unharmed.

The hackers had the patience to wait, and execute well-orchestrated actions through multiple seemingly independent accounts at the most opportune time. The transaction is structured in a way that passed our existing security checks. It was unfortunate that we were not able to block this withdrawal before it was executed. Once executed, the withdrawal triggered various alarms in our system. We stopped all withdrawals immediately after that.

Binance will use the #SAFU fund to cover this incident in full. No user funds will be affected.

We must conduct a thorough security review. The security review will include all parts of our systems and data, which is large. We estimate this will take about ONE WEEK. We will post updates frequently as we progress.
 
Most importantly, deposits and withdrawals will need to REMAIN SUSPENDED during this period of time. We beg for your understanding in this difficult situation.

We will continue to enable trading, so that you may adjust your positions if you wish. Please also understand that the hackers may still control certain user accounts and may use those to influence prices in the meantime. We will monitor the situation closely. But we believe with withdrawals disabled, there isn’t much incentive for hackers to influence markets.

In this difficult time, we strive to maintain transparency and would be appreciative of your support.

PS, I (CZ) will continue the previously scheduled Twitter AMA in a couple of hours.

- CZ

Source: https://binance.zendesk.com/hc/en-us/articles/360028031711-Binance-Security-Breach-Update
10425  Local / Brasil / Re: Agora é Lei - Corretoras e também usuários deverão prestar contas à receita. on: May 07, 2019, 11:40:45 PM
Sinceramente você é uma exceção a regra. 90% dos entusiastas de bitcoin no Brasil não movimentam mais que 30 mil reais por mês. E outra coisa, esse negócio de trader está acabando com a moeda.  Undecided Undecided Agora, você é um dos pouco milionários do BTC no Brasil. Manter 7 btcs na Binance só milionário. Vai o lema: Exchange não é carteira !!!!!  Grin Grin Grin
Ele não mantem 7 BTC (não necessariarimente).

Essa é a movimentação mensal dele. Comprei 0.01, vendi 0.01 = movimentação de 0.02 BTC.
10426  Other / Beginners & Help / Re: How to get notified when someone mentions your name on bitcointalk.! on: May 07, 2019, 07:13:37 PM
unfortunately that software full of bugs as i see in this thread https://bitcointalk.org/index.php?topic=5115500
That’s why it’s a demo.

Quote
I hope the new bitcointalk forum has this function
I literally just said it already has.
10427  Other / Beginners & Help / Re: How to get notified when someone mentions your name on bitcointalk.! on: May 07, 2019, 06:39:07 PM
I hope they one day release an official notification from the forum when we are mentioned or quoted.
The new forum software already has this.

Demo: https://cryptos-currencies.com/
10428  Economy / Scam Accusations / Re: New scam tactics [Be aware!] on: May 07, 2019, 05:00:15 PM
Yeah, that's a copy of the FindMyCoins.ninja website (which obviously only asks for your Bitcoin address and not seed/private-key).

I have tagged him.
10429  Bitcoin / Hardware wallets / Re: Verifying a fake/genuine Ledger Nano S on: May 07, 2019, 04:22:23 PM
That user had received a sheet with the 24 phrase words which he scratched and entered and then Ledger came up with Ledger live and started giving instructions to check if the device is genuine or not.
Exactly. This had nothing to do with the Ledger device. But with what came with it (which user naively believed to be real).

The Ledger that came in the box from the seller and the one that comes from Ledger.com are literally the same. The device can't be easily tampered.
10430  Bitcoin / Hardware wallets / Re: Verifying a fake/genuine Ledger Nano S on: May 07, 2019, 04:10:40 PM
I trust both Ledger and Swissborg but I am not sure if Swissborg bought it from a reseller and I have read many cases of resellers selling tampered Ledger Nano S which is why I wanted to confirm if the hardware is also safe to use. Will try sending few coins first and will see what happens. To check the hardware, I just need to use a screwdriver to open the behind case and Ledger has given instructions to do so but I want to do it from a technician who can be more careful. Random users have lost $35k from such hacks.
See this: https://support.ledger.com/hc/en-us/articles/360002481534-Check-if-device-is-genuine

Ledger has features to check if its firmware is genuine. What you need to be careful about is using an already configured device or a filled-in recovery sheet.

There was never a "hack"; in the case where the user lost $35k, he used a seed that came with the Ledger. That's a big NO and has nothing to do with Ledger's security. It's always a social engineering hack.
10431  Economy / Reputation / Re: Bounty cheaters using reputed members accounts to register for bounty campaign on: May 07, 2019, 03:38:38 PM
I thought I could scroll down through all these 15k entries in 20minutes (don't do that...baaad idea, can't feel my eyes now).  Cheesy

Some other recognizable names in there:

Quote
-snip-
TryNinja  5316
-snip

Congrats to lucky winners!  Grin
That's not me, bro.

It's my cousin called TryNninja. Grin

10432  Local / Brasil / Re: Agora é Lei - Corretoras e também usuários deverão prestar contas à receita. on: May 07, 2019, 03:13:57 PM
Imagina que louco a NegocieCoins tendo que pagar 3% do seu volume diário de quase $2 bilhões (dólares)... Cheesy
10433  Other / Beginners & Help / Re: How to calculate bitcoin transaction size and fees on: May 07, 2019, 12:36:15 PM
I use Electrum and rarely use their suggested fees unless I am in a hurry.
I am sending bitcoins to myself from a non segwit to a segwit address and I paid only 5 sat/byte as I don't really care when it will get confirmed.
It will get confirmed pretty soon. The mempool is pretty much empty and 1-3 blocks would clean it up to 2-3 sat/byte transactions.

I think this is the best website to visualize the state of the mempool and see that: https://jochen-hoenicke.de/queue/#1,2h
10434  Local / Brasil / Re: Volume NegocieCoins on: May 07, 2019, 12:17:53 PM
Que orgulho de ter uma exchange BR no TOPO. Só posso falar em orgulho, nada mais  Roll Eyes Grin

Uma das maiores hein

Orgulho de lavagem de dinheiro ou manipulação com volume falso?
Eu diria que eles estava sendo irônico. <ênfase no emoji do -vira olho->
10435  Bitcoin / Bitcoin Technical Support / Re: ask about exchange and other on: May 07, 2019, 12:22:50 AM
An other question came to my mind, these exchanges need to download all the blockchain of all the coins they use?
Yes. You can’t trust anyone when you are running an exchange, so having a SPV client is a big no. Imagine letting a stranger say which tx you will see and which you won’t (and maybe show inexistent transactions - idk if that’s possible tho). They could manipulate deposits/withdrawals and work on stealing your coins.
10436  Local / Português (Portuguese) / Re: Satoshi está perto de ser revelado? on: May 06, 2019, 07:15:58 PM
Ou isso é bait pra coletar emails ou deve ser alguma exchange/ICO querendo juntar uma galera pra sua futura divulgação.

Eu acho EXTREMAMENTE improvável realmente revelarem quem é o satoshi (já não bastava o McAfree)... Se isso fosse realmente o satoshi (no Twitter ele fala como se ele fosse o satoshi), ele postaria alguma prova pra hypar a galera.
10437  Local / Economia & Mercado / Re: Quantum - Arbitragem Automatizada - ATENÇÃO, LEIA TUDO ANTES DE INVESTIR on: May 06, 2019, 07:13:03 PM
Alguma novidade revelada? Eu não sei nem o que a Atlas promete fazer no momento. Ela dizia fazer arbitragem. Mas hoje faz trade de altcoins também?
Também não fiquei sabendo de nada. Provavelmente foi o app mobile que eles lançaram pra iOS e Android.
10438  Bitcoin / Hardware wallets / Re: Ledger Nano S usability questions on: May 06, 2019, 01:57:38 PM
Ok I was thinking of taking the ledger nano s to a friend computer with windows 10 however I don't know how secure is computer is so my only option on my friends windows 10 computer is safe mode with networking?
It doesn’t matter if his PC is secure. That’s the beauty of a hardware wallel.

Quote
Also can anyone confirm windows 7 safe mode with networking allowed the firmware update?
Why don’t you try? Tongue
10439  Economy / Lending / Re: Am I eligble to lend $30? on: May 06, 2019, 10:00:14 AM
Don’t you have a family member or friend that can borrow you $20? I’m sure they would help you for double the amount in 10 days. Smiley
10440  Economy / Service Discussion / Re: bitcoinmixer.eu Legit? How do you get support? on: May 06, 2019, 08:44:51 AM
Where did you hear about this website?

The messages at the bottom left corner of the page are fake. This means that this mixer is much likely a scam. Also, I’ve never heard about it before (not even here on btt).

Never use a mixer/service that has no reviews or isn’t known.


They are on several articles for top mixers https://bestbitcoinmixer.org/ being one of them.
That’s just a terrible website.

The first option in their list is a scam (the real Helix has closed months ago).
The second option (UltraMixer) is just another random and most likely scam website.
The third is a phishing version of the CoinMixer.se website (the fake ends with .es).

Never to go a random website to see “the top mixers/websites”. Always ask here if X website is legit.
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