This Crypto Portfolio Tracker was made by my friend Tobias Flach.
You can find the medium post here: https://medium.com/@techupbusiness/free-crypto-portfolio-tracker-based-on-google-sheets-ef76070ec325
Donation addresses for Crypto Portfolio tracker:
BTC 3ECGVjb9GMbBf5UfKbSyriHSga851r7xMc
ETH / ERC20 0x7434B3Fcc0264F6EA173c6135fDeF63286Ee1f97
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https://cryptobulls.info