Sync Your Portfolio
Connect from 800+ exchanges, wallets, and blockchains. API, CSV, or direct sync done in seconds.

Crypto tax is new in Belgium. KoinX makes sure you get it right from year one.
Rated 4.5/5 by over 10.5k users
KoinX’s extensive integration with 800+ crypto exchanges makes calculating crypto taxes incredibly easy.
Connect from 800+ exchanges, wallets, and blockchains. API, CSV, or direct sync done in seconds.

KoinX auto-classifies every trade. Buy, sell, swap, staking, airdrops, DeFi, internal transfers and calculates gains automatically.

Get your Belastingaangifte report instantly. Pay only when you're ready to download. No surprises.

It takes under 10 minutes

Automatically detect transfers between your wallets and exchanges, eliminate duplicates, and maintain accurate cost basis across all your accounts.

Trades, swaps, staking rewards, airdrops, mining every transaction is tracked from your step-up basis, with your €10,000 exemption applied automatically. No missed gains, no wrong classifications.

Monitor holdings across chains, exchanges, and wallets with real-time analytics, performance insights, and complete asset visibility.
From tracking transactions to calculating capital gains, we handle your crypto taxes right from year one.
