Concordo plenamente. Chama the coordinator, essa entidade centralizada que comanda tudo.
Na real essa questão de taxas altas do btc é algo passageiro. No segwit mesmo estou fazendo transações com 2 usd.

O pessoal paga 8 reais de Ted e 45 usd de Swift a anos .. abrir mão de descentralização e segurança pra pagar taxa zero é bobagem, pra mim é hype de moeda passageirA.

É sustentável, mas abre mão de muita coisa

As fees are much lower in Segwit, probably there will be no place for Legacy addresses in the future.

But for now most of web and mobile wallets (which are the most friendly wallets for newbies) support only Legacy address. Most exchanges support only Legacy address too.

There is also the impossibility to sign messages with segwit address. Only electrum sign bech32 P2WPKH addresses, but non-standard.
I still use legacy address when I need to sign messages (like when recovering account in this forum).

No IOTA tem taxa zero porque não é blockchain, é Directed Assisted Graphs (DAG), outra tecnologia.

Quando voce faz uma transação, você confirma duas anteriores não confirmadas. Então quem "minera" (proof of work) é o próprio usuário da rede. Ele não é pago por essa confirmação anterior, ou seja, é um proof of work sem remuneração, mas ainda assim é um PoW. E existe por trás uma entidade central que confirma algumas transações (proof of authority PoA)

Nano nao sei bem como funcona, mas é PoS (Proof of Stake), sem nenhum proof of work. Teoricamente IOTA é mais seguro e conservador nesse sentido, já que usa PoW.

Colega, se você se recusa a enviar documentos e verificar sua conta, você não vai conseguir comprar cripto em nenhuma exchange no planeta. Só um disco voador pra te ajudar.

Hoje em dia qualquer estacionamento ta pedindo CPF. Você ta viajando de achar que vai conseguir comprar criptomoedas anonimamente numa exchange.

Qualquer investimento no mundo é assim. não tem jeito não.

Quoted and verified

Quoted and verified

THe more important thing to look now is Dominance. 42.7%, we are good!

Look, on PoS there is a limit amount of coins. You can only buy more coins if someone sells them to you.
You are staking something from inside the blockchain.

On PoW you are using energy from outside the system. Anyone can mine and contribute to the mining power to the system.

Mining is not as centralized as staking coins. Mining and electricity are not limited by hardcap (like coins). Every time a new agent is joining the system.

Lets suppose 50 people own 51% of coins. Nobody will ever get 51% of the coins if they never sell.
But if someone has 51% mining power, that can change anytime and nobody can control it or prevent people from entering the system.

If you can't understand that, at least I tried. I did my best.

I spend a lot of time writing that post above and you didn't even read it. Well, not reason to argue with you anymore.

Voce assinou sua conta, conforme esse procedimento aqui?
https://bitcointalk.org/index.php?topic=3076506.msg31712079

Just made this one.

I hope i am not too late

In a PoS network the consensus is based on how much coins you stake, and a group of rich people will have a huge share. So it's centralized on those agents.
Those agents can be coerced, controlled by regulation, bribed....

In the bitcoin network, mining is now somewhat centralized in China, but this situation is temporally. We see now, for instance, that Russia is heavily investing in mining.

It's also possible that Bitcoin mining hasten the adoption and development of renewable energy systems. As renewable energy becomes more efficient and low cost, Bitcoin mining is a way of earning money from excess energy being produced. Households, farms, maybe soon be buying solar panels to mine bitcoin.

This is possible because anyone is free to add their mining power to the network. In a PoS system, someone needs to be willing to sell their stake. PoS centralization is not a problem for a company, but something even desired, as centralization is a good protection (if company owners have 51% of the coins) against hostile agents from outside the network. But you don't want that in a world currency.

As I said in the first post, bitcoin is not switching to PoS. But other altcoins can do it as they are companies with different objectives.

Não só é possível como já está sendo feito.

A colombia está usando para plebiscito (reclacionado a questao das FARC e tal)
http://plebiscitodigital.co/
https://www.oecd-forum.org/users/76644-charlotte-van-ooijen/posts/28703-how-blockchain-can-change-voting-the-colombian-peace-plebiscite

Vao usar para pessoas que moram no exterior, que hoje representam 10% dos eleitores.

I am really not worried, fundamentals are the same for bitcoin, my main holding. It's just FUD

I am waiting to see if I get some Ethereum for 300 =D

It's funny that I didn't mention 51% attack, and you started your posting replying my "51% attack quote" lol
And are you accusing ME of whataboutism?

I didn't try to discredit or offend you, you were just spreading misinformation about 5 million crypto users and talking about this old PoW PoS switch thing...

I don't know where did you get that data from, but just in Brazil there are 1 million SSN (social security numbers) registered in exchanges.
Cryptocurrency outperforms Stock Market in number of investors

And Brazil's bitcoin volume is very low, around 0.5% of world total, according to coinmarketcap. (Foxbit is our biggest exchange with 50% country volume and around 0.2% total volume in BTC coinmarketcap)

So, if we 1 million users have around 0.5% world volume, 100% volume would be like 200 million users in the entire world. I think it's less, but I don't think much fewer than 100 million.


About switching from PoW that's not happen with Bitcoin.
Bitcoin needs to be more conservative. Every cryptocurrency depends on bitcoin security. PoW is a very strong system.

PoW is build by anonymous participants in an open and decentralized network, which makes the system very resilient to coercion, controlling regulations and censorship.

PoW alternatives, like Proof of Authority, Proof of Stake, are all much more centralized and not resilient to those attacks mentioned.
Other coins, like IOTA (PoA) and soon Ethereum (PoS) are using those methods. But ethereum is already centralized as it's Vitalik's blockchain. The main purpose of Ethereum and IOTA and different, so I think it's ok for them to try those less secure methods.

Some other day I was listening to Andreas Antonoupolos talking about PoW and PoS.
He explained that PoW is somehow a PoS. In PoW miners are staking electricity, a much more stable and valuable (in the entire world) stake than any coin out there. But PoS is not PoW in any sense.

I think possible with better computers and/or some changes in the code, bitcoin mining problems (like centralization and cost) will be solved, without switching from PoW, which is more deeper and stronger than initially believed.

Edit: Also, think about how much energy the whole banking system consumes. Probably more than bitcoin.

Acredito que a regulamentação irá vir no sentido de acabar com a privacidade principalmente. Com iniciativas como essa, de Proof of Identity, onde o seu endereço já fica atrelado ao seu CPF.
Proof of Identity on Ethereum (or the “KYC problem”)

Daí começar a exigir certa "qualificação" dos investidores  para poderem investir em ICOs. Vai precisar ser um investidor qualificado, ou seja, vai ficar igual os pré IPO, que somente grandes fundos podem entrar. E quando abre o IPO (e pessoas normais podem investir) ja subiu 1000%...

Exigir tb qualificação das empresas para entrarem em IPO. Não vai poder mais uma empresa pequena, vai precisar ser uma empresa autorizada....

A tendencia é deixar o mercado igual o mercado de ações. Um tédio.

A questão é toda essa. Os bancos que antigamente ficavam com 1000-10000% de rendimento na IPOS, perderam a boquinha. Agora as empresas abrem seu capital para pessoas físicas, muitas vezes sem nem KYC.

Agora também temos acesso a esse rendimento. É lamentavel ver as pessoas vendo essa realidade e reagindo com desconfiança..

Bem, na realidade mesmo, pro investidor não muda nada por enquanto. As ICO vao continuar existindo e o bitcoin tambem.

PoW (proof of work) , tao criticado por ai, torna o bitcoin muito resistente a qualquer tipo de regulacao, censura, controle, etc.
Segue o jogo!

Hello,
Thanks to your topic I studied more about IOTA.

IOTA is a cryptocurrency that runs on a Directed Acyclic Graph (DAG), and not on a blockchain.
DAG is a well-known data structure in Computer Science, and it is believed DAG can present solutions to some blockchain's issues.
The whole idea behind DAG is to create a cryptocurrency in which there is no proof of work (PoW), so there are no miners, no fees, no blocks and no 51 percent attack.

There is a huge discussion about PoW, because PoW is build by anonymous participants in an open, decentralized network, which makes the system very resilient to coercion, controlling regulations and censorship.

One interesting thing about IOTA is that it uses DAG and PoW.

The main feature of IOTA is the Tangle, which is a DAG for storing transactions.
In the graphic below, each transaction is represented by a square. Each new transaction that joins the tangle needs to approve two previous transactions, via Proof of Work.

Transactions 2 and 3 were approved by transaction 5, which was approved by transaction 6.

No one receives a reward for approving transactions, and no one pay fees. As there is no mining, no mining centralization is possible.

Good information here:
Andreas antonopoulos talks about DAG and IOTA
Is Directed Acyclic Graph (DAG) Blockchain’s New Competitor?

Bitcoin não tem nada a ver com a corretora que você escolheu pra operar. .. Procure outra corretora, tem várias opções. Para grandes volumes de repente vale até considerar uma estrangeira para saques, se o ágio estiver ruim.

Pessoal encontrei esse glossário do Ethos,muito bom recomendo.

Tanto para newbies, quanto para usuários mais avançados.

Definições legais de Atomic Swaps, PoW, PoS, Lightning Network, etc, muitas coisas que geram dúvidas e estao explicadinhas tudo junto.
Em ingles!
Ethos’ Alphabetical Guide to Cryptocurrency Definitions and Metrics