Bitcoin / Crypto Currencies

Tópicos de discussão sobre actualidade política (e não só...)

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solf
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Re: Economia partilhada

Post by solf » Thu Dec 07, 2017 2:52 pm

O mesmo se aplica ao crescimento económico num país....pq raio se tem sempre de crescer?!
No fundo um gigantesco esquema financeiro de ponzi para manter o dinheiro em movimento e o pagamento de juros enquanto a divida cresce mais e mais e mais....
EV - "FDX VOCES SAO OS MAIORES!"
e somos mm......


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prl
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Re: Economia partilhada

Post by prl » Fri Dec 22, 2017 10:20 am

Sobre a Bitcoin que falámos acima:

"A Bitcoin, essa moeda criptográfica, perdeu 30% em euros (e 21% em dólares) desde o final da semana passada até ontem. Hoje, a moeda abriu a desvalorizar cerca de 20%."

http://expresso.sapo.pt/economia/2017-1 ... a-abertura
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rhinosaur
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Re: Economia partilhada

Post by rhinosaur » Fri Dec 22, 2017 7:21 pm

prl wrote:
Fri Dec 22, 2017 10:20 am
Sobre a Bitcoin que falámos acima:

"A Bitcoin, essa moeda criptográfica, perdeu 30% em euros (e 21% em dólares) desde o final da semana passada até ontem. Hoje, a moeda abriu a desvalorizar cerca de 20%."

http://expresso.sapo.pt/economia/2017-1 ... a-abertura
Tudo a vender para fazer às compras de Natal! :P
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prl
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Re: Economia partilhada

Post by prl » Fri Dec 22, 2017 7:29 pm

rhinosaur wrote:
Fri Dec 22, 2017 7:21 pm
prl wrote:
Fri Dec 22, 2017 10:20 am
Sobre a Bitcoin que falámos acima:

"A Bitcoin, essa moeda criptográfica, perdeu 30% em euros (e 21% em dólares) desde o final da semana passada até ontem. Hoje, a moeda abriu a desvalorizar cerca de 20%."

http://expresso.sapo.pt/economia/2017-1 ... a-abertura
Tudo a vender para fazer às compras de Natal! :P
Eheh ya. Engraçado que mal vêm os medos de que isto possa cair começa tudo a vender. A ausência de qualquer relação com a economia verdadeira torna a Bitcoin imensamente volátil e sujeita a estas variações de "humor". Não havendo resultados que justifiquem subidas e descidas fica tudo praticamente baseado em rumores sobre o que será a evolução da moeda. E também tem o resultado de as variações serem muito maiores.
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edward III
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Re: Economia partilhada

Post by edward III » Fri Dec 22, 2017 8:09 pm

Perdendo um bocadinho de tempo no GDAX a comprar e vender conforme as flutuações e com a ajuda dos alertas ganha-se uns trocos jeitosos sem precisar de quantias avultadas.

Na última hora as moedas etherum e litecoin estão em quedas e subidas constantes. O valor de queda é sempre o mesmo e depois passado 1-2 minutos volta a subir, 40 ou 30 eur. Fazendo trading no gdax de forma rápida ganhas bom dinheiro.
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rhinosaur
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Re: Economia partilhada

Post by rhinosaur » Fri Dec 22, 2017 10:40 pm

Shorting all the way!
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prl
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Re: Economia partilhada

Post by prl » Thu Dec 28, 2017 7:22 pm

https://www.geek.com/tech/cryptocurrenc ... e-1726665/
Since it’s so difficult to trade cryptocurrencies for things you can use, there’s a very high chance that when this is all over, you won’t really have much to speak of. Often in these schemes, the money you make along the way is used to at least buy a few things. And when the bubble hits, you’ve at least got that so you haven’t lost… y’know, everything. But cashing out is still really tedious with these currencies, and to do it, you need someone willing to buy in. There are only so many users to cycle through, and it’s hard not to shake the feeling that when this jig is up, everyone will try to walk away at once and find that there’s no one and nowhere to spend what they got.

That’s also while anyone who has any investment in cryptocurrency at all will fight tooth and nail to tell you otherwise. Whether you’re a serious crypto-anarchist or just someone to looking to buy into a trend doesn’t matter — to avoid losing money you need to press the faith. If no one believes bitcoin is valuable, then it won’t be.
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prl
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Re: Bitcoin / Crypto Currencies

Post by prl » Sun Jan 07, 2018 4:53 pm

Ainda sobre isto da Bitcoin, hoje em conversa com um amigo, ele avisou-me que o site do Dinheiro Vivo tem um script Javascript para fazer mining de crypto currencies usando o browser das pessoas que visitam o site deles.

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A biblioteca chama-se Crypto Loot e podem ler mais sobre ela aqui: https://crypto-loot.com/

O que isto faz é usar os recursos do cliente para fazer mining de crypto currencies (provavelmente bitcoin) usando os recursos dos clientes (aka processamento de CPU, aka energia). Passados uns minutos de ter entrado no site o meu CPU disparou para os 100%. Se bem se lembram, fazer mining de bitcoins equivale a gerar bitcoins para quem faz o mining, neste caso o Dinheiro Vivo.

Isto tudo sem qualquer aviso de que os clientes estão a ser usados para isso, uma vergonha! Fui ver novamente agora e depois da denúncia que este meu amigo fez na página de Facebook deles, já não vejo lá o miner a trabalhar nos bastidores. Isto é bastante grave.

Deve ser por isso que vão fazendo apologia da bitcoin:

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edward III
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Re: Bitcoin / Crypto Currencies

Post by edward III » Sun Jan 07, 2018 5:01 pm

Que sacanas espertos.
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prl
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Re: Bitcoin / Crypto Currencies

Post by prl » Mon Jan 08, 2018 10:15 am

Separei isto num novo tópico porque já não fazia sentido onde estava.
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solf
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Re: Bitcoin / Crypto Currencies

Post by solf » Mon Jan 08, 2018 10:23 am

Pode ter sido ou um hack ao site ou simplesmente um anuncio do site que começava o mining.

Diz aqui um colega meu que as próximas versões dos browsers vão trazer blocks ao mining!
EV - "FDX VOCES SAO OS MAIORES!"
e somos mm......


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prl
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Re: Bitcoin / Crypto Currencies

Post by prl » Mon Jan 08, 2018 10:34 am

Não era um anúncio, era o plugin que eles usam para mostrar as cotações do PSI-20 :)
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solf
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Re: Bitcoin / Crypto Currencies

Post by solf » Mon Jan 08, 2018 10:37 am

prl wrote:
Mon Jan 08, 2018 10:34 am
Não era um anúncio, era o plugin que eles usam para mostrar as cotações do PSI-20 :)
Ah que apropriado...aquela cena que a malta tipicamente deixa aberta para ir acompanhando as cotações :lol: :lol:
EV - "FDX VOCES SAO OS MAIORES!"
e somos mm......


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prl
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Re: Bitcoin / Crypto Currencies

Post by prl » Mon Jan 08, 2018 10:38 am

solf wrote:
Mon Jan 08, 2018 10:37 am
prl wrote:
Mon Jan 08, 2018 10:34 am
Não era um anúncio, era o plugin que eles usam para mostrar as cotações do PSI-20 :)
Ah que apropriado...aquela cena que a malta tipicamente deixa aberta para ir acompanhando as cotações :lol: :lol:
E que tipicamente está sempre presente no site, seja em que página for eheh

Para mim ou foram eles a arranjar "formas alternativas de financiamento" ou algum developer mais ousado :P
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Re: Bitcoin / Crypto Currencies

Post by But-we-unleashed-a-lion » Mon Jan 08, 2018 12:29 pm

Ha uns anos um gajo queria comprar-me um poster e falou-me em pagar com bitcoins...

O poster valia $600 e acho que a bitcoin andava à volta de 100 e qq coisa

tive medo e nao aceitei

fdss agora dava para comprar um mercedes ](*,)

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