PeiZ

Open to New Opportunities

PeiZ

Open to New Opportunities

PeiZ

Open to New Opportunities

Redesigned a cold wallet, boosting sales by over 100K

$13 M

Investment from SBI Bank

$13 M

Investment from SBI Bank

$13 M

Investment from SBI Bank

15%

Increase in downloads

15%

Increase in downloads

15%

Increase in downloads

100K

sold in 2 years.

100K

sold in 2 years.

100K

sold in 2 years.

Role

UX/UI Designer

Role

UX/UI Designer

Role

UX/UI Designer

Deliverables

Research, Wireflow, UI mockups, Rebranding

Deliverables

Research, Wireflow, UI mockups, Rebranding

Deliverables

Research, Wireflow, UI mockups, Rebranding

Team

Information Architecture, Project manager, iOS developer, Android developer

Team

Information Architecture, Project manager, iOS developer, Android developer

Team

Information Architecture, Project manager, iOS developer, Android developer

Timeline

4 Months (2017)

Timeline

4 Months (2017)

Timeline

4 Months (2017)

Background

In 2016, we released the 1st Gen CoolWallet, the world’s first credit card size wallet to connect with a mobile device over Bluetooth which was aimed at the US market. But since the company was based in Taiwan, we wanted to expand into the local market.My mission was to build the 2nd-Gen CoolWallet S that could achieve business goals:1. Bring in more users.2. Reducing the costs to make it more affordable.3. Improve the product’s stability and performance.

In 2016, we released the 1st Gen CoolWallet, the world’s first credit card size wallet to connect with a mobile device over Bluetooth which was aimed at the US market. But since the company was based in Taiwan, we wanted to expand into the local market.My mission was to build the 2nd-Gen CoolWallet S that could achieve business goals:1. Bring in more users.2. Reducing the costs to make it more affordable.3. Improve the product’s stability and performance.

Process

Understanding User Needs

Understanding User Needs

There were 3 key things I needed to figure out during the discovery phase:

  • How users interact with the platform and what challenges they face.

  • What crypto investors actually wanted and expected from the app.

  • What features or aspects crypto users trust and value.

There were 3 key things I needed to figure out during the discovery phase:

  • How users interact with the platform and what challenges they face.

  • What crypto investors actually wanted and expected from the app.

  • What features or aspects crypto users trust and value.

Crypto Forums

Reviews

Conference

Understanding User Needs

Understanding User Needs

There were 3 key things I needed to figure out during the discovery phase:

  • How users interact with the platform and what challenges they face.

  • What crypto investors actually wanted and expected from the app.

  • What features or aspects crypto users trust and value.

Crypto Forums

Reviews

Conference

Understanding Our Competitors

I did competitor research to see what other products were offering and and how users felt about them.

Findings

I classified the findings into design-related problems and those connected to the firmware on the card and narrow them down to a few major problems.

App Design

App Design

01

Complexity

01

Complexity

01

Complexity

02

Lack of trust

02

Lack of trust

02

Lack of trust

03

Needs of new coins

03

Needs of new coins

03

Needs of new coins

Card Design

Card Design

01

Battery drained fast

01

Battery drained fast

01

Battery drained fast

02

Not clear indicators

02

Not clear indicators

02

Not clear indicators

03

Unstable bluetooth connection

03

Unstable bluetooth connection

03

Unstable bluetooth connection

Defining the flow and architecture

I mapped out the wireflow with our information architect to understand how the app interacted with the card’s firmware, which was more complicated than I expected. There were potential scenarios like what happens if the Bluetooth connection suddenly drops. and what happens if the firmware wasn’t updated?

Design Highlights

Instant feedback

Instant feedback

Instant feedback

Added instant feedback for user actions so they’d always know what was happening.

Simplify the wallet creation

Simplify the wallet creation

Simplify the wallet creation

Added instant feedback for user actions so they’d always know what was happening.

Recover Seed

Recover Seed

Added instant feedback for user actions so they’d always know what was happening.

Address Book

Address Book

Added instant feedback for user actions so they’d always know what was happening.

Clear explanations

Clear explanations

Added instant feedback for user actions so they’d always know what was happening.

Recovery Seed

Recovery Seed

Added instant feedback for user actions so they’d always know what was happening.

Address Book

Address Book

Added instant feedback for user actions so they’d always know what was happening.

Clear Explanations

Clear Explanations

Added instant feedback for user actions so they’d always know what was happening.

Display e-ink paper

Display e-ink paper

Display e-ink paper

To reduce costs and save battery life, we made the e-paper screen smaller. But with a smaller screen came with a new challenge which was how to display necessary informations clearly.

To solve this, I designed an easy-to-read digital code for displaying letters and numbers, which ensured that users could still get the important details without any confusion, even on a smaller display.

Branding

Branding

Branding

We decided to do a slight rebrand without changing it too much. I redesigned the logo, the physical card, and created a basic design system based on the new brand colors.

Outcome

We didn’t have the resources or time to do user testing before launch. However, we had the chance to showcase the product at blockchain conferences, where I received great feedback. But overall, the project was well-received!

We formed partnerships, the CEO of Litecoin decided to champion the CoolWallet S as the official Litecoin wallet.

Within months, the Japanese investment giant SBI invested $13 million into our company.

We sold nearly 100K CoolWallet S units worldwide in 2 years.

Work With Me

Pei-Z - UXUI / Product Designer

Got an idea?
Let's bring your vision to life. ✌️


PeiTzu © 2024.

Pei-Z - UXUI / Product Designer

Got an idea?
Let's bring your vision to life. ✌️


PeiTzu © 2024.

Goran Babarogic

Got an idea?
Let's bring your vision to life. ✌️


PeiTzu © 2024.