certified bitcoin professional Archives - CryptoCurrency Certification Consortium (C4)

Michael Perklin @mperklin ·

31 Jul

@Abstr_ct gave a fantastic class on crypto key creation at #BTC2019 and shared https://ceremony.guide/ as a way to understand how unguessable keys can be created.
It's a great way to get a practical feel for how keys work @LearnMoreWithC4

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C4 @learnmorewithc4 ·

31 Jul

Special Livestream Today 🎲

Our CCSS™ Committee will discuss the seed generation issue affecting certain Coldcard hardware wallet devices and firmware versions and the importance of entropy.

🗓️ July 31 • 2 PM ET

https://youtube.com/live/q4BBjZLDzQo

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C4 @learnmorewithc4 ·

30 Jul

On July 30, 2015, Ethereum's genesis block was mined, launching the network and introducing a general-purpose platform for smart contracts and decentralized applications.

Happy birthday, Ethereum! 🎂

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C4 @learnmorewithc4 ·

27 Jul

One of our favorite parts of @Futurist_conf was hosting cryptocurrency trivia. Zoom in on the first photo and give us your best guess.

What's your answer: A, B, C, or D?
Bonus points: Explain why cryptographic hash functions are so important to Bitcoin!

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