All Countries

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
USA flag
Canada
Resources / Authors / 
Timothy Brunette

Timothy Brunette

CTO

Tim Brunette is the CTO of Summ (formerly Crypto Tax Calculator), where he leads technical operations and applies his expertise in cryptography, and machine learning to solve challenging problems in the cryptocurrency ecosystem. He previously worked at Accenture, holds a Bachelor in Space Engineering and a Masters in AI.

Security UpdateSecurity Update
Blog
21
 
Sep
 
2023
Security Update

Security update

Read More
9/21/2023
Security AlertSecurity Alert
Blog
6
 
Sep
 
2023
Security Alert

We have become aware that cyber-criminals may be planning a sophisticated phishing scam targeting some Summ (formerly Crypto Tax Calculator) users. This requires your immediate and urgent attention.

Read More
9/6/2023
No items found.
The Ultimate DeFi Tax GuideThe Ultimate DeFi Tax Guide
Guides
14
 
Sep
 
2025
The Ultimate DeFi Tax Guide

The DeFi space is evolving quickly and it can be hard to keep up with all the new ideas. What can be even harder is knowing what taxes you owe depending on what protocols you use. This DeFi tax guide covers all the major protocols and how they impact your tax, it also covers the general principles laid out my the tax office to guide you when a new protocol pops up.

Read More
9/19/2023
How to calculate your crypto tax in CanadaHow to calculate your crypto tax in Canada
Guides
14
 
Sep
 
2025
How to calculate your crypto tax in Canada

Unsure about how much tax is payable for your crypto transaction? Follow our guide to recognize the rules which apply in different crypto situations and calculate your tax position in Canada.

Read More
9/25/2023