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Rafael Sarres de Almeida
Rafael Sarres de Almeida

35 Followers

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Jul 30, 2021

Wireshark´s finest hour

Long before DevOps revolution, traditional software development and infrastructure management teams shared an antagonistic relationship. In plain words, they used to fight like cats and dogs. This is a true story from my experience on one of these quasi-aggressive interactions. From 2000 to 2008, I was part of the infrastructure…

Mwc Work

7 min read

Wireshark´s finest hour
Wireshark´s finest hour
Mwc Work

7 min read


Nov 20, 2020

A segurança do PIX

O PIX é o novo sistema de transferência bancária instantânea criado pelo Banco Central do Brasil para permitir a movimentação de recursos entre contas bancárias ou de instituições de pagamento de forma simples, rápida e barata. …

Pix

7 min read

A segurança do PIX
A segurança do PIX
Pix

7 min read


Oct 4, 2017

Cryptocurrencies: The Digital Financial Revolution

This is the transcript of a talk I gave at the International Policy Centre for Inclusive Growth (IPC-IG) Seminar Series 2017 in July 14th 2017. As I wrote my entire presentation, I thought it would be fun to share it with the world. …

Bitcoin

12 min read

Bitcoin

12 min read


May 29, 2017

Proposal for a backup RTGS using blockchain technology part 2: hiding transaction data

Last October I wrote about a blockchain Real-time Gross Settlement (RTGS) and now I am ready to write some more about what I have been researching to improve the proposal. …

Blockchain

8 min read

Proposal for a backup RTGS using blockchain technology part 2: hiding transaction data
Proposal for a backup RTGS using blockchain technology part 2: hiding transaction data
Blockchain

8 min read


Mar 3, 2017

Is Votebook a really private blockchain voting system?

Elections are a very complex process. The basic assumptions are contradictory: Voters must be registered and cast only one vote, but votes must be kept private and cannot be linked to its voter by an external entity. Using conventional paper ballots and every candidate had at least one vote, there…

Elections

5 min read

Elections

5 min read


Oct 3, 2016

Proposal for a backup RTGS using blockchain technology

Real-time Gross Settlement (RTGS) is the base structure for a country payment system. Brazil, for example, has a very advanced RTGS system called “Sistema Brasileiro de Pagamentos” (Brazilian Payment System), or SPB, run by Central Bank of Brazil. By its own nature, this is a critical technological structure for the…

Blockchain

6 min read

Blockchain

6 min read

Rafael Sarres de Almeida

Rafael Sarres de Almeida

35 Followers

IT postgraduate professor and analyst at Central Bank of Brazil

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