In 2016 I took a Certified Blockchain Professional test from @LearnMoreWithC4 . It cost 0.1 .
Do you think that CBP held its value up til now? Thats about $3500 worth of BTC at todays prices.
Mark 87 of 100

CryptoCurrency Security Standard Auditor is the next level. https://t.co/HpAq5tlnqq