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10041  Local / Primeiros Passos (Iniciantes) / Re: [Tradução - Tutorial] Como criar um canal na Lightning Network (Testnet BTC) on: December 28, 2019, 02:55:22 AM
Acho que exagerei nas compras  Grin mais de 400 $ em cafézinho, a velocidade é realmente impressionante espero usar a Lightning fora da testnet em breve.

Eu também brinquei bastante nessa lojinha ai, pra poder receber uma quantidade maior depois  Tongue

Mas não deu certo o teste que eu fiz lá no tópico original, não sei por quê. Agora eu quero testar na mainnet também. Se alguém quiser brincar, é só chamar  Grin

O loycev tinha um tópico de micro empréstimos na lightning network, basicamente para testes.
https://bitcointalk.org/index.php?topic=5149962.0

Eu cheguei a fazer algumas transações lá,  mas infelizmente ele trancou o tópico e acabou com os empréstimos.

De repente alguém poderia fazer algo semelhante aqui.

Quando eu participei acabei gastando muito em taxas para abrir e fechar o canal
10042  Local / Brasil / Re: Brasileiros não gostam de USDT? on: December 28, 2019, 02:23:53 AM
Eu não mexo com USDT por não confiar em seu lastro de 1 = 1 com o dólar. Já aconteceu e ainda acontece tanta treta com a empresa por trás deles, que eu acredito ter algo de errado com ela. Além do mais, caso eu precisasse trocá-los por USD (o que é uma das “propostas” da mesma, já que ela é teoricamente lastreada) dificilmente conseguiria.

Agora, moedas lastreadas no BRL por uma exchange confiável eu ate poderia arriscar.

Eu tb não faço hold de usdt pelo mesmo motivo. Nunca utilizei em nenhum trade também. Mas eu considero  utilizar no futuro. Ja existem Exchanges (acho q kraken ou bitstamp e binance) que tem pares usd/btc é usdt/btc, então vc pode trocar numa boa. Mdsmo comprando usdt numa Exchange brazuca.

Mas pq vc mexeria com um BRLT por exemplo , de uma Exchange brasileira merreca e não com usdt?

Usdt é de uma das maiores e mais sólidas Exchange do mundo,  a bitfinex. Nenhuma Exchange brasileira pode chegar aos pés dela em termos de capacidade de pagamento do lastro 1:1.

A USDT faz uso de reserva fracionária, o que não e bem visto para uma stablecoin. Ela simplesmente mantem o valor pareado com o dólar por causa do risco sistêmico que ocasionaria se assim não fosse.

Não faz uso de reserva fracionária não. Se assi fosse nao seria 1:1
Se eles fizessem seria um escândalo gigantesco que derrubaria o preço do tether e levaria a uma crise violenta

Se eles fazem isso é muito bem escondido. Aliás, o medo de q eles façam isso é basicamente o único risco de se utilizar.
Seria o caso dos holders de usdt (basicamente todas as Exchange do mundo ) Não poderem trocar 1 usdt por 1 usd. Geraria uma crise tão grande que até quem não tem usdt, mas tem fundos em Exchange com pares usdt, iria perder o que tem.

Pois a Exchange iria quebrar e levar seus  btc eth etc... iriam so repassando o calote pra frente.
10043  Other / Beginners & Help / Re: kms activator and bitcoin wallet? on: December 28, 2019, 01:14:51 AM
In my case, that activator did not cause any problems on my OS, and especially not the hacking problems that would involve the loss of crypto. Any software may contain something malicious, whether it is completely legal or as in this case completely illegal. Very often, with this kind of software comes some malware, so I would not recommend it to those who have desktop wallets and significant amounts of coins.

In my case, KMS is on OS when I still use Electrum desktop BTC, and few more forks of Electrum (BCH,LTC), which was certainly not a smart move, but luckily it went away without any bad consequences.

There is always a risk, but you can download from relatively safe sources.

There is the /r/piracy subreddit where you can see topica with over 10k upvotes of safe kms activators for different windows sofrwares

I used for some time the Microsoft office ones, as office is very expensive (fortunately I was able to buy it very cheap in a promotion few months ago).

I didn't have any problem using kms as well. I recommend that subreddit for my poor third world fellows who can pay thousands of usd for a text editor or a photo editor Wink
10044  Bitcoin / Bitcoin Discussion / Re: Bitcoin cannot be decentralized if the Internet is centralized on: December 27, 2019, 11:27:29 PM
It's no secret that in today's world, big companies like Google, Facebook, and even Amazon control the Internet.

Can you elaborate? As I know, the Internet network is still largely decentralized, and thanks to tools like encryption, ToR, VPN, proxies it's impossible to control users. It's impossible to make a "turn Bitcoin off" button, so I wouldn't worry about it. There are problems with lack of competition between Internet service providers in some places, but it doesn't have any strong implications for Bitcoin.

I agree with hatshepsut93 (wow that's hard to write).
Internet is still a place largely decentralized

We have bitcoin, we have independent news sites, anyone can open a blog for free and say whatever he wants  with no censorship (mostly)... internet is so large and so vast that nobody can control it.

Internet is just a bunch of connected computers,  almost all computers in the world. That's just amazing.

However there are some services in the internet which are oligopolies (mostly due to their own merits by the way).

For example, the advertising online industry is an oligopoly controlled by Google Facebook and maybe one or more companies. But we cannot say internet is  centralized  imo
10045  Other / Meta / Re: This is not a stake your Bitcoin address here thread,but an interesting reminder on: December 27, 2019, 07:03:55 PM
To cut a long story short, I ended-up installing Electrum (newbie here with it), and was unable to find my original Legacy address there (the address has 0 balance and 0 TXs historically). I played around with the derivation path (which I though was not part of the solution – and it wasn’t), the xPub, and a few other things, and still could not see my original address amongst the 20 displayed in the Electrum Legacy wallet by default. I tried to sign a message by manually feeding the address, and, if I recall correctly, Electrum stated that the address was not included in the wallet I had created.

It wasn’t, until I played around with the console that I got to finally see my address, after extending from 20 to 200 addresses by means of:

Personally, I believe that using a hardware wallet to sign a message here in the forum is like killing an ant with an atomic bomb (I don't know if this expression exists in English, it is common in Portuguese)

You don't need all that security for that. And as Welsh said, a good idea is to have the staked address completely separated from your funds.

I have the seed and private key of my staked address noted down in a paper, and that key is now imported into my mobile wallet. If I need to sign a message again from that address I can just paste that seed in iancoleman.io, get the private key, and sign it using any software. Ofc I would never do that using my ledger nano seed, but it is very convenient to do with a 0 balance address.

I know other members here do that as well

Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
hey DdmrDdmr. merry Christmas and a happy new year for you too!
-----BEGIN SIGNATURE-----
1QHHA6n5pNc9Ci9jLwREeNMEjpvPjj51Fj
ILSNOc0QnX5Ixpu+uj/0jF2IinvkpC3VHi8ABRUlXs7hFfaCh2NFj9QbQSzcl1KVChFQVUQkZ/d2TsInnP59pU8=
-----END BITCOIN SIGNED MESSAGE-----


Especially, my gmail account that I no longer use.

Which email are you using now? Protonmail?
10046  Bitcoin / Wallet software / Re: Coinomi Wallet - Looking For Honest Reviews on: December 27, 2019, 05:58:56 PM
The team behind Atomic Wallet are connected to the same group involved with Changelly and ChangeNOW - there are threads about their failed attempts to selective scam a user from the forum. Even if the code is open source I for one will never use anything those scammers provide and would advise all the proceed with caution if using them and their services:

https://bitcointalk.org/index.php?topic=4619534.0

One more good reason to stick to Coinomi. They never scammed anyone.

however, even though Coinomi is a nice wallet, there are two wallets which is much betteR and do all coinomi does: Ledger Nano and Trezor.

Just buy one of those hardware wallets and you will be able to store all the coins you want knowing that you are using the best security technology to store your coins.
10047  Economy / Reputation / Re: a bomb is going to explode over Binance on: December 27, 2019, 05:54:04 PM
Binance has high liquidity, low fees and under 2 BTC/day they don't ask for KYC.
Whether we like it or not, this is all most traders may care about.

If the problems would be so big and annoying, people would leave.

Binance certainly was able to deliver what most users wanted. Traders and crypto enthusiasts don't care about AWS or whatever. If they do, they will just buy and withdrawal the funds.


About contacting the authorities.. Binance is in Malta nowadays, which afaik has quite a lax legislation. So .. good luck with that. If you have a proper concern, CZ is still your best chance.

They are expanding and moving to different countries. Maybe if there is a so huge problem as esol is suggesting, they could be stopped in US or other European countries. But that wouldn't change much, and binance would still be one of the best (or the best) exchange out there even if they would be limited to binance.com with no fiat pairs.
10048  Other / Meta / Re: [Merits Giveaway]2019 in review. A big thanks to many forum users. on: December 27, 2019, 05:45:00 PM
And a special reminder to @schiavonxv who left us a year ago but left his legacy in the Brazilian cryptocurrency scene.

Great post Loganota.

schiavonxv was  very popular in Brazil. He was co-founder of one of the biggest and oldest exchange in Brazil. He passed away very young, in a car accident a year ago.
10049  Other / Meta / Re: [Merits Giveaway]2019 in review. A big thanks to many forum users. on: December 27, 2019, 03:51:16 PM
  • bitmover
I was happy to be remembered and recognized.  Thank you friend.

It is hard to make a list of great forum contributors,  as we are all so many .

Happy 2020 everyone.
10050  Bitcoin / Wallet software / Re: Coinomi Wallet - Looking For Honest Reviews on: December 27, 2019, 03:42:22 PM
Atomic wallet even claims that it has atomic swap, which is a lie.
According to their site they do have Atomic Swaps. They have a guide how to do it as well > https://atomicwallet.io/how-to-make-atomic-swap
You can create your own swap orders or accept those of other users. No idea if it works or not.
Have you tried it and it didn't work for you?

I didnt know this.
I thought thy were just saying changelly and shapeshift were atomic swap, like most wallets

No, I never tried and I didn't know this new feature.

They claim it is decentralized. Atomic swaps should be done by smartcontract,  theoretically.
I don't know if this can be called atomic swap but it looks like.

I had a bad experience in the past with that wallet , as other users (some provate keys could not be recovered after importing the seed), so I move away to other wallets. Maybe I will give it a shot later.
10051  Bitcoin / Wallet software / Re: Coinomi Wallet - Looking For Honest Reviews on: December 26, 2019, 03:19:02 PM
No they are not all closed source Wink
I think Atomic, Guarda and Trust wallet are all open source if I am correct, and they have support for a bunch of shitcoins



Those are shitful wallets and are not nearly as safe, as tested and as good as coinomi.
And no, they are not open source.

Those are new wallets,  and some o them have scam accusations against them.
I doubt any of those have coin control feature.

Atomic wallet even claims that it has atomic swap, which is a lie.

Coinomi is running since 2014. You can't compare those wallets to coinomi.  Coinomi is better is every aspect imo.
10052  Bitcoin / Wallet software / Re: Coinomi Wallet - Looking For Honest Reviews on: December 26, 2019, 01:04:18 PM
I like coinomi

If you just need to use bitcoin in your mobile, you should use Samourai wallet , as it is open source and has many good features such as coin control.

However,  if you need more than one coin i just  go with coinomi.
Coinomi allows coin control in their mobile version, sign messages, full control over private keys, 3 addresses simultaneously.  And support more than a thousand different coins. Which other wallet offered that? None.

Should you keep your life savings there? Of course not. Buy a ledger or trevor for that.
But you could have a coinomi wallet in your phone for small values.

It is not a scam and it is an amazing software imo.

It is closed source, but ALL multicurrency walled are.
10053  Bitcoin / Hardware wallets / Re: I learned about a cold wallet called SafePal.Please help! How about this wallet? on: December 26, 2019, 12:51:51 PM
Safepal might be wonderful. I'd rather let other people prove it to me over several years.

This.

Why are going to risk your money in this new wallet?
Buy a ledger or trevor for your savings. If you want to have an exotic wallet , just try this safe pal for small amounts.

I am new to crypto and I have been looking for a safe and simple to use cold wallet.
I have observed cold wallets of various brands for a long time, but I think common wallet brands such as Ledger and Trezor are more complicated to use.

No they are not complicated to use. They are simple

Quote
Recently, My friend recommended a cold wallet for me called SafePal. Please help me take a look at it. How about this wallet?
This is SafePal Official Website, which is said to be invested by Binance.
I learn about from their official website that this product features include:

Security lies in every detail
True random generator
Embedded with Germany AIS31 standard true random generator, keeping the uniqueness of your private key.

Independent crypto chip
Dual-chip architect, with an EAL5+ crypto chip, protecting your crypto asset from malicious attacks.

100% off-line
SafePal S1 only interacts with SafePal App via encrypted QRcode in isolated environment, rather than Bluetooth, NFC, Wifi, USB or any other connections, keeping the asset 100% off-line.
Anti-tampering technology
Anti-tampering technology Self-destroy and data-erasing mechanism embedded, protecting your crypto asset from both software and physical attacks.

PIN code protection
• Disrupted order of digits
• Hidden digits of the PIN
• Self-destroy during brutal attack

Smooth and seamless user experience
1.3' high-resolution screen
Accessible and friendly, showing every detail of your asset

Mobile-friendly
Send money anytime, anywhere as you like!

Scan and send
Send money with a simple scan at your fingertips

Simple back-up and recovery
Supporting all BIP39/BIP44 standard with fast and easy recovery mechanism. Don't worry, we've got your back.

SafePal App
Manage 1000+currencies in one App, easy to take full control
Keep every transaction detail in record
All records trackable in real-time

Nothing new here.
Trezor and ledger do all that.
10054  Local / Brasil / Re: [DÚVIDA] Compra e Venda de Tokens Precatórios on: December 26, 2019, 11:49:14 AM
Nesse caso acredito que o maior risco é a situação atual das contas dos estados brasileiros, no caso do Rio de Janeiro dificil afirmar se vão pagar daqui a 3 anos e meio já que o estado está totalmente quebrado... se não pagar no prazo terá correção de juros, mesmo assim não emprestaria dinheiro para eles pois após tantos anos de corrupção uma hora a bomba vai estourar.


Então , 16%aa é fantástico.
O estado está pagando isso pq está quebrado.

Mas pq investir vai mercado bifcoin? Não da pra comprar a dívida direto do estado do Rio de Janeiro?

Ao meu ver, o o maior risco é esse agente de custódia inútil, o mercado bifcoin.

Isso seria tipo um tesouro direto  mas do estado do Rio.
Como o mercado bifcoin teve acesso a isso? Pq nos não temos como pessoa física? Não tem um custodiante mais confiável como a do?
10055  Economy / Exchanges / Re: which Exchange similar to shapeshift kyc free are you guys using? on: December 26, 2019, 11:40:10 AM

Flyp.me really looks interesting, I liked it. However,  my amount is too small (15 usd from a stellar airdrop).

Coinswitch has a terrible rate (probably due to small amount). Thy offered me only 0.0016 BTC, while it is worth 0.0021.

I decided to use binance . I have some dust there, I will keep accumulating and withdrawal when I get  more.

Thanks.

Regarding ShapeShift, I could be wrong but I think you should be fine using it through a wallet that uses their API (Exodus, Trezor, etc.) instead of using the website directly. I haven't heard of any incidents where the users of these wallets were enforced to send their documents.

I believe the same applies to changelly.
Changelly website says  I could be randomly selected for kyc, so I gave up.

I wouldn't download some other wallet just to exchange my coins.  But thanks for the info.
10056  Bitcoin / Bitcoin Discussion / Re: Annual Proof of Keys January 3rd on: December 26, 2019, 10:32:17 AM
I don't think prof of keys is a bad event . It is an interesting one because it is a promotion against custodial wallets and exchanges


Quote
Every January 3rd the Bitcoin community HODLers of Last Resort participate in a Proof of Keys celebration by demanding and taking possession of all bitcoins held by trusted third parties on their behalf.

By demanding and taking possession of their assets, individuals will learn real fast with blockchain proof whether they are part of the elite HODLers or not. Proof of Keys is the annual HODLer initiation.
https://www.proofofkeys.com/
Of course removing coins from exchange January 3 and moving back to exchange in 4h is idiot, but that's not what the event is about
10057  Economy / Exchanges / which Exchange similar to shapeshift kyc free are you guys using? on: December 25, 2019, 10:45:09 PM
Title says all.

I was using easyeabbit and instaswap, but I don't use them for a long time.

What do you guys recommend? Kyc free. Thanks.
10058  Other / Beginners & Help / Re: Moving wallet from one phone to another on: December 25, 2019, 10:21:57 PM
The only reason why you may not be able to use the wallet on another phone is when you enable 2FA on your old phone. And, if you do, you can disable it on your old phone and enable it on your new phone after you have your wallet back with your coins.

2fa Will not make any difference.
2fa works only locally in your phone. If any user is able to get his seed , he will be able to get the funds without any 2fa request.

2fa is useless in terms of security when using bitcoin. It is useful only when accessing exchanges, which only make off chain transactions

every  on chain transaction (which includes importing a wallet) will ignore 2fa/fingerprint/pin completely
10059  Other / Beginners & Help / Re: kms activator and bitcoin wallet? on: December 25, 2019, 10:02:24 PM
I used KMS activator for long time (for MS office, which is very expensive )and never had problems with anyone trying to hack me.
However , I use a hardware wallet.

I recommend that you buy one as well. Using a hardwallet you are 99.9% safe (maybe even more)
10060  Other / Beginners & Help / Re: how to send bitcoins to such address in message ? on: December 25, 2019, 09:59:57 PM
but I need a proof that this payment belongs to my user account !!

Usually, these kind of sites generate a unique deposit address for each user. That's the way these get tracked. The message in the uri you posted is for your information only, it never ends up in a block.

This is correct. Don't worry in proving that this payment came from your account.

However,  it they still want a proof you can sign a message just like Theokool1s said.

Just transfer and don't worry. This address was generated exclusively for your purchase/transfer. No other user received that address as well (it would be highly unlikely)
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