It's a good thing, a new champion. I don't have a strong opinion yet to make my bet, people are believing in England, I don't disagree, but the way Spain is playing I know they are prepared as well and can win the match
The final of the women's cup is just as balanced as the men's final, and this is pretty good to the competition
Yes, I also agree! I would never have imagined that women's football games could be so exciting and competitive compared to men's games. Tomorrow's final will be an exciting game, I believe we will have a draw and after the end of regular time, England will win (of course this is my humble prediction) Let's see what the future will show us! |
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Yes this is true! Many young European players have a great possibility of playing in some European team, of course, there are teams that are the elite of Europe, but there are also teams that are of a lower quality.
For a young man to play for a big club, it will depend on his performance, opportunity and also on his manager.
In the last world cups, I confess that Germany played below its potential, it is far from being the team of the 2014 cup, I could even say that the German team is in decline, another team (outside Europe) that is also in decline is Brazil, they will hardly have another team like the 2002 or 2006, for example.
I am not sure whether you can compare Germany with Brazil. The problem with Germany is that younger players are not coming up. They are overdependent on some of the oldies such as İlkay Gündoğan, Marco Reus, Manuel Neuer and Thomas Müller. On the other hand, although there is some dependence on Neymar, Brazil do have a great bunch of younger players. I am talking about Antony, Emerson, Vitor Roque and Raphinha. The only issue with Brazil is that their national league is not strong and most of the players are dependent on European leagues. I didn't know of the football situation in Germany, I imagined that they had some young promises to compete in the next world cups, but I believe it will be difficult for us to see a Germany like 2014 world cup. Regarding Brazil, unfortunately they don't have a new star to replace Neymar, they have good players and that's true (Raphinha, Vini Jr, Casemiro, Richarlison and others). The Brazilian national league (Brasileirão/Copa do Brasil), it is weak compared to European teams, but there are good teams that always stand out in Libertadores and Sul Americana, Sao Paulo, Palmeiras, Flamengo, Corinthians, which are some examples. |
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The advantage with European teams is that they have the best football leagues in the world. This means that their younger players get a chance to play with some of the best in football. This is a luxury that is not provided to the younger players in CONMEBOL, AFC or CAF. However, the situation is changing now, as Saudi league is gaining a lot of traction. Even then, it is just this one league in AFC, while all the other popular leagues are in UEFA. And despite all this, some of the UEFA teams are in continuous decline (Germany, Netherlands, Danmark.etc).
Yes this is true! Many young European players have a great possibility of playing in some European team, of course, there are teams that are the elite of Europe, but there are also teams that are of a lower quality. For a young man to play for a big club, it will depend on his performance, opportunity and also on his manager. In the last world cups, I confess that Germany played below its potential, it is far from being the team of the 2014 cup, I could even say that the German team is in decline, another team (outside Europe) that is also in decline is Brazil, they will hardly have another team like the 2002 or 2006, for example. |
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The odds for the two remaining matches, the third-place match and the final are now live:  What do you think, are the odds fair? Pretty tough matches again That's a good question... It is the dream of any team to be champion of this world cup. But since that won't be possible for Sweden and Australia, I believe that both teams will not play at 1000% of their capacity as if they were in the finals. As Australia will be playing at home, they will have the support of a large part of the public, this could make a difference, but on the other hand, the Sweden team has more technique and is much more experienced than the Australian team. For me, we will have a draw in the match between Sweden x Australia. In the final between Spain x England, both teams have never participated in a world cup finals, I have no doubt, they will play as if it were the last game of their lives, both teams, Spain and England, it will be a competitive and fierce match, and also, I believe in that game, we will also have another draw. |
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I believe the "trend" will be this!
After the World Cup in Qatar in 2022, I believe it "opened the eyes" of the Arabs and they realized that football could be an interesting, lucrative sport and even entertainment for them to bring to their countries.
I have no doubts, Europe is home to the best teams in the world and that is undeniable, but I am sure that these signings that some arabian teams have made are directing attention there and around the world, and I believe... soon more signings of excellent and notable players will happen for the Saudi Arabian clubs
European football is the most competitive in the world, and they have the top players in the world playing for them. Everything about football is possible found there. Not only Europe, but the rest of the world, is more interested in European football than they are in the football of their own country. Every the young people's desire is to play for one of Europe's best teams because they believe that's where the money and fame are. The Saudi Arabian league has just taken a turn on this narrative and wants to change everyone's belief that football cannot compete in only one continent, but that we can get more than one continent to hold the world's great players, making the football competition more competitive and also giving more players around the world a chance to showcase their talents. This is not going to end anytime soon, and football history will change, and the Asian continent will be recognised around the world in the same way that Europe is. Yes, i agree with you! I believe that it is the dream of many young soccer players to participate in La Liga, Champions League and other high-level championships that exist in Europe. The best teams, the best players, structure, coaches, staffs and others importants things are in Europe. I may be saying something that makes no sense, but if these signings of world football stars continue, if the Arabs invest even more in their countries teams, invest in marketing, structure, hire excellent coaches, I have no doubt that from now on 3, 4 or 5 years, there may be better Arab teams than Europe. |
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The captain of the Brazil National Football Team is now in Arabia. Like Ronaldo, Benzema, Mane and others. Europe needs to find a solution to this situation. But the fact that some of the star players go to Arabia does not kill football in Europe. First of all, China made the attempts of this situation, it did not happen. Football is a culture, a color and a story. Not all of these features are available in Arabia. I'm sorry but the culture of Arabia is not suitable for football.
Capitalist order and capital no longer go to buy luxury, it brings it to itself. Neymar who signed a contract that exceeds 300 million Euros in two years is criticized by people but no one has to condition himself on anything. New stars continue to be added to the Arabian football show business.
I believe the "trend" will be this! After the World Cup in Qatar in 2022, I believe it "opened the eyes" of the Arabs and they realized that football could be an interesting, lucrative sport and even entertainment for them to bring to their countries. I have no doubts, Europe is home to the best teams in the world and that is undeniable, but I am sure that these signings that some arabian teams have made are directing attention there and around the world, and I believe... soon more signings of excellent and notable players will happen for the Saudi Arabian clubs |
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Yes, it was a surprise result for me too, but Spain was lucky and went through. I am saying that Spain was lucky because all the three goals in the match were scored in the last 10 mins of normal time. First Spain took the lead in the 81 min and then it was equalized in the 88th min by Sweden. Spain quickly got another goal in the next min, the 89th min of the game and from there Sweden needed a miracle to come back.
A heart breaking ending for the Swedish team.
Well, I believe that several people were not expecting this result, including me! When Sweden tied the game I thought it would go to penalties and Sweden would win against Spain, but that didn't happen and then, the Spanish team scored again, what a fierce game! I believe that the game (Australia x England) will be competitive, the home team will do everything to go to the finals, but I don't know, England is an experienced team with extreme technique and quality, it will be a difficult game for both teams, but I believe, the England will win! |
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Judging by the teams that have qualified for the FIFA Women's World Cup tournament, I think we might have a new winner of the competition. Spain and England looks like the teams that'll make it to the final of the this edition.
The Australian women's team who would play their semi final game against their England counterparts I think might pull the a big surprise if not carefully tacked by English women. Sweden on their other side isn't also a team to write off making the semi final matches a tough one for the four teams involved.
Whichever team will go to the final and who manages to lift the trophy will be their first title for them in this tournament. Your prediction might be right because Spain and England are relatively the strongest and currently the favorites, but if you look at Sweden's game when they beat Japan they appeared very impressive with their excellent attacks as well as in defense because in the second half, Japan appeared to attack but Sweden managed to break attack well even though Japan managed to score one goal. Sweden has been to the final once only losing to Germany, England's best achievement is ranked third while Spain and Australia will be the first finals if they manage to beat their opponents. In my opinion, this semifinal match will be more interesting because the four teams are the best. It would be very surprising if Sweden vs Australia went to the final, because as the host of course Australia was very motivated to go further because of the support of the spectators. Yes, I agree with that and you said something relevant. None of the teams were champions of a world cup, they will do everything to achieve this feat. Sweden is a dangerous team, they managed to eliminate the USA and also Japan, but on the other hand Spain is also having an excellent performance. I have no doubt, it will be a fierce and competitive game between these teams, but I believe Sweden has a better chance of winning. |
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Opa, parabéns por essa excelente iniciativa @tg88 ! Faz um bom tempo que não participo de sorteio/evento aqui na nossa board, vamos ver se dessa vez eu consiga ganhar algo (bom, não custa tentar né!!?   ) Já estou pensando em algo pra elaborar e logo logo criarei um tópico pra participar desse sorteio  |
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Essa malta mais técnica já tem muitos quilómetros disto. heheh. Eu também costumo gostar bastante dos posts de 3 ou 4 users no subforum internacional de Bitcoin. Havia um sobre um tema que eu nunca tinha ouvido falar em quase 6 anos nisto. Achei super interessante apesar o facto de não ter percebido a fundo todos os detalhes, mas o assunto era: The curious case of the half-half Bitcoin ECDSA nonces. Não consegui encontrar a thread mas fica aqui o paper: https://eprint.iacr.org/2023/841.pdfObrigado pela colaboração @darkv0rt3x Irei dar uma olhada! Eu também concordo, tem MUITO conteudo bom espalhado aqui no fórum! Estou separando alguns e irei traduzir (além de agregar e contribuir aqui na nossa local board, vou praticar e melhorar o meu ingles que esta um pouco enferrujado  )A minha maior questão em relação a este tema, é quando os computadores quânticos tiverem mais divulgados e com melhor tecnologia. Será que eles não serão capaz de descobrir a chave certa de uma carteira?
Essa é uma boa pergunta... Confesso que o meu conhecimento nessa área de criptografia/segurança é bem limitado e por isso eu me abstenho de falar muito nesse assunto hahahah Mas eu acredito que até lá possa existir algum tipo de criptografia/encriptação que os computadores quanticos não consigam "quebrar" (não sei se isso poderá ser aplicado ao Bitcoin especificamente). Imagina só, quem tiver um computador quantico, poderá descobrir a senha do Facebook de alguem, senha de banco, a seed de uma determinada carteira de BTC e etc (lógico o que eu disse foi uma forma bem lúdica do que pode acontecer, não sei de fato como poderá ser o "modus operandi" para descobrir uma senha/seed utilizando um computador/computação quantica) |
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Spain Vs Sweden
England Vs Australia
I think these two teams will play in the final.
Spain Vs England What can be confirmed in the final match?
Do you think these two teams can go to the finals?
Well, these will be extremely competitive games! I have no doubt that Spain and Australia will do everything to win these games, because they have never reached a world cup semi-finals. But on the other hand, we have other experienced teams, England, which was in 3rd place in the 2015 World Cup and Sweden, which was runner-up in the 2003 World Cup. The match between Spain and Sweden, I believe it will be very competitive, I had in my mind that Spain could reach the final, but after some analysis, I think that Sweden will overcome the Spanish team. Regarding the game between England x Australia, I imagine that the England team's experience will predominate and they will be able to beat Australia. Spain Vs Sweden England Vs Australia |
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In the FIFA Women's World Cup yesterday England vs Colombia in the match between these two teams, England won the match by scoring 2 goals. The two teams played very well in the first half of the game for which the two teams did not score any goals in the second half. Colombia scored the first goal in the 44th minute. After some time England's L. Hemp scored a goal and A. Russo scored the 2nd goal in 63 minutes to win the match. Players from both teams tried to play very well and England performed well.
Yes... I confess that it was an exciting game and I was surprised by Colombia's performance, well... exceeded my expectations. Let's see how England will play against Australia, I'm also curious and looking forward to seeing the game between Spain and Sweden! I bet they will be interesting and competitive games to watch. |
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Que isso, eu que agradeço, fico feliz em contribuir aqui na nossa Local Board Bom, eu não tenho um conhecimento muito técnico nessa área, mas eu dei uma breve pesquisada enquanto estava realizando a tradução e verifiquei que o algortimo SHA256 de fato é bem seguro! Não tinha noção dessa grandeza! O usuário fillippone sempre posta diversos conteúdos de qualidade aqui no fórum, vou separar alguns tópicos e irei traduzi-los e postarei em breve aqui na nossa local board |
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Those two teams surely have an impressive bunch, and pretty much because of the pretty much well-known players that they have as you can say for me I am more interested in the Canadian team and they surely have the defending champion player the A2 players for the Denver Nuggets Jamal Murray, surely for these team, I am curious on the reformed Dillon Brooks
Yes, absolutely! I have no doubt that the Canadian team has excellent players. Well... for me, USA, Canada and Australia are one of the favorite teams to win this world cup. |
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Bom, também concordo e não tenho duvidas de que isso acendeu o alerta com relação aos investimentos e a real situação dos EUA. Vamos ver como que as bolsas do mercado norte americano irão se comportar até o final de semana. Estarei curioso e ansioso para a proxima reunião do FED agora no dia 20 de setembro, será que podemos ter um aumento significativo na taxa de juros? Talvez 50 pontos base? ou 75?  Eu pergunto-me sempre, quando vejo estas noticias da Moody’s e agencias similares.
Quem avalia a Moody’s? Eles tem a importância de dizer que um banco ou país é bom ou mau.
Mas, quem tem a capacidade de avaliar se o que eles dizem/fazem é bom ou mau?
Eis a questão... grande parte da população norte americana devem estar desconfiadas com relação a essas empresas de ratings, isso não é novidade, pois pelo que aconteceu na crise de 2008, já é de se levantar suspeita. Vamos ver futuramente como e qual será as notas/ratings que o S&P e Fitch irá dar para os Estados Unidos. |
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Autor: fillipponeTópico original: There are 2^256 private keys out there: how big is that number?
Ontem, enquanto navegava pela toca do coelho do Bitcoin, tropecei no infame site keys.lol https://keys.lol(Aviso: perda de tempo!) Basicamente, é um site que gera aleatoriamente 128 chaves privadas em cada página e verifica o saldo de endereços (compactados e não compactados) na blockchain, relatando eventuais saldos positivos ou transações passadas. Uau! Se você encontrar um saldo positivo nessas páginas geradas pelo lado do cliente, na verdade você é o proprietário legitimo desse saldo e nada o impede de transferir para a sua própria carteira. Passei algumas horas naquele site, gerando milhares de chaves privadas, claro, sem encontrar nada, nem um único endereço usado, muito menos um com saldo. Então, comecei a pensar que poderia aprimorar um pouco o processo e conversando com alguns colegas usuários aqui no fórum, pensei que poderiamos ter um script gerando chaves privadas aleatórias, após solicitar ao meu proprio nó de bitcoin o saldo em tal endereço e eventualmente transferir qualquer saldo para minha propria carteira. Trabalhar localmente deve agilizar um pouco o processo, pensei. Eu sabia desde o inicio que as possibilidades de encontrar algo eram pequenas, mas queria tentar porque procurar saldos e não encontrar nada me garantiria que ninguem poderia fazer o mesmo com meu próprio bitcoin guardado com tanto ciumes em minha carteira fria. Enquanto esperava que o @babo divulgasse seu roteiro, pensei comigo mesmo "Fillipone é apenas um peão no jogo da vida"... como ninguém nunca pensou nisso? De volta a toca do coelho, descobri rapidamente o Large Bitcoin Collider. https://lbc.cryptoguru.org/aboutUau, este é um projeto sério. Basicamente, milhares de servidores distribuidos gerando e verificando 26 trilhões (!!!) de chaves privadas diariamente. Nos primeiros três anos, eles conseguiram encontrar 7 chaves privadas. Isso é muito! Eu imaginei que as chances eram muito menores, mas provavelmente há algum tipo de bug em alguma carteira que utiliza um gerador de números aleatórios abaixo do ideal para criar as chaves. (Mais pesquisas são necessárias aqui!) Vamos revisar rapidamente alguns números: Número de chaves privadas teoricamente possíveis: 2^256 ou aproximadamente 10^77 Número de endereços bitcoin: 2^160 Número de chaves privadas pesquisadas pelo Bitcoin Collider: 2^160 Número de endereços de Bitcoin usados : 18.000.000 O número de chaves privadas REALMENTE possivel, é um pouco menor que 2^256, conforme especificado aquiVamos trabalhar alguns exemplos. - Suponha que tenhamos um bilhão de endereços ativos, cada um delos com um saldo positivo: sabemos que isso é aproximadamente 10^3 maior que o número real.
Provavelmente o número de átomos no universo é 10 ^ 3 maior que o número de endereços, então é justo dizer que encontrar uma chave privada com um valor positivo é quase tão provavel que encontrar um desses átomos espalhados por todo o universo visivel.
Qual é o tamanho de um bilhão de atómos? De acordo com esta resposta do Quora, é menor que uma bactéria E.Coli. Então, adivinhe, pegue essa bactéria, triture em um nivel atomico, distribua-a no universo e tente encontrar um desses atomos. Bem dificil, não é?
- O segundo exemplo é deste artigo . Suponha que queremos escanear todas as chaves privadas em busca de um saldo positivo e suponha que cada habitante da terra tenha uma velocidade de escaneamento um bilhão de vezes maior que o dobro do poder computacional atual da rede Bitcoin, assim:
* 10 bilhões de pessoas;
* multiplicado por um bilhão;
* multiplicado pelo dobro do poder computacional do Bitcoin, cerca de 100 mil terahash por segundo;
obtemos: 1.000.000.000.000*1.000.000.000*100.000*100.0000.000.000 = 10^10*10^9*10^5*10^12 = 10^36
Para simplificar, arredondamos para baixo '115.792.089.237.316.195.423.570.985.008.687.907.852.837.564.279.074.904.382.605 .163.141.518.161.494.336' para 10^77, e temos obteve que, se verificarmos cada chave privada, em busca de um saldo positivo, levaria 10^77/10^36 = 10^41 segundos, quantos anos seriam?
Como há cerca de 31557600 segundos em um ano, corresponde a cerca de 10^41/31557600 = 31^33 anos, o que é mais ou menos 10^23 vezes a idade estimada do universo (atualmente estimada em 13,82 bilhões de anos), em curto
100.000.000.000.000.000.000.000, ou seja, cerca de 100 bilhões de bilhões de vezes a idade do universo.
- Todos os exemplos anteriores não levaram em conta a energia envolvida em tais cálculos. É claro que todas essas máquinas muito poderosas poderiam ser alimentadas por algum tipo de energia. Quanta energia seria necessária? Bem, muito, de acordo com esse infográfico:
 Link para RedditOutros exemplos sobre quanto levaria para adivinhar aleatoriamente uma chave privada: Mais referencias: Outros números muito grandes: Aqui estão apenas alguns exemplos, se você tiver fontes ou comentários adicionais para fazer, sinta-se a vontade para compartilhar abaixo, que eu adicionarei à lista!
Tradução oferecida por iniciativa de:
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I'll give my predictions here, let's see if I can get the results right this time after some losses
Switzerland x Spain
Japan x Norway
Netherlands x South Africa
Sweden x USA
England x Nigeria
Australia x Denmark
Colombia x Jamaica
France x Morocco
Winners in bold
What do you think guys?
I'm not sure either, but I have no doubt they'll be interesting games. I thought that Norway would beat Japan, but they are losing. I believe it will be difficult for Norway to reverse this score against Japan. Just like others, I'm also surprised by Spain's performance (especially against the Swiss game). Let's see if Spain will continue with this excellent performance in the next games! |
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I believe in this 2023 world cup will be interesting!
There are several teams that are balanced.
I've been looking at every country roster, but i'm surprised with Canada and Australia, apparently in this world cup they have an excellent squad.
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