9/21/2023
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.
9/6/2023
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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.
9/19/2023

Guides
14
Sep
2025
Nederlandse cryptobelastinggids 2023
Alles wat je moet weten om je cryptobelastingen in Nederland te doen. Lees nu onze handleiding.
9/25/2023
