Paulo Sacramento - UX Designer

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Pix in Brazil: A Field Study for the Bitcoin Community

Pix in Brazil: A Field Study for the Bitcoin Community

What are the lessons that the Bitcoin community can learn from the Brazilian experience with the adoption of the Pix?

Field Study proposal: Fedi for Chamas, a study in Kenya

Field Study proposal: Fedi for Chamas, a study in Kenya

ℹ️This proposal outlines a Field Study in Kenya to explore the potential of Fedi to improve the operations of informal cooperative groups, commonly referred to as Chamas, in the country. Introduction The federated eCash platform Fedi offers versatile solutions that can address various challenges across different scenarios. Following extensive

Domain Spoofing Mutiny, a Web-Based Bitcoin Wallet

Cybersecurity Featured

Domain Spoofing Mutiny, a Web-Based Bitcoin Wallet

In this article, I will address one potential danger of browser-based wallets called domain spoofing. More specifically, I want to use Mutiny to give a practical example of the risks of a specific type of domain spoofing called a homographic attack.

How Developers Can Mitigate the Risks of User Data Being Exposed on Nostr

How Developers Can Mitigate the Risks of User Data Being Exposed on Nostr

I am excited about Nostr, a new technology, but also concerned about missing features like "delete" and automatic removal of metadata. Developers should inform users and provide tools to protect privacy.

Designing A Credit Card For Kids

Designing A Credit Card For Kids

During the selection process for a position as UX Designer, I was asked to explain how I would design a credit card for children.

Breez: Design Review

Breez: Design Review

The Bitcoin Design Community [https://bitcoin.design/] has been reviewing the design of some popular wallets. In order to help the improvement of the user interface of Breez [https://breez.technology/], I created this presentation and shared it with the group over a video call on September 27. My intention

Otto: Evaluating The Navigation

Otto: Evaluating The Navigation

During the selection process for a UX position, I was asked to review the E-Commerce website Otto with regard to its Navigation features.

Analytics Dataset Assignment

Analytics Dataset Assignment

As part of the learnings during the course 'UX Research at Scale: Surveys, Analytics, Online Testing', I analyzed stats about a websites traffic. Here's what I've found.

The 7 Primal Elements Of The Bitcoin Brand

In this article, I argue that one of the main reasons for bitcoin's success dwells on something that resonates with us humans on a much deeper level: the primal elements of its brand, which combined turn it into a belief system.

Bitcoin UX Challenges

Bitcoin UX Challenges

What are the biggest challenges to the improvement of the UX of bitcoin products?

Coursera: Inspecting For Usability Issues

Heuristic Evaluation

Coursera: Inspecting For Usability Issues

While attending an online specialization course, I noticed problems with the user interface of the Coursera platform.

Forefront Consulting: Reviewing The Website

Forefront Consulting: Reviewing The Website

I work for this company as a contractor. And my boss asked me to review the website at an early stage of the development.

Bison App: Clustering Data Gathered During Interviews

Bison App: Clustering Data Gathered During Interviews

How can someone improve Germany's number one app for bitcoin investing?

Using AI generated face photos for testimonials

Using AI generated face photos for testimonials

AI generated photos may be exactly what you need for the testimonials on your website.