Cardano Blackboard Series

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Welcome to the Cardano Blackboard Series, to make this series possible ADAtainment have teamed up with ADASaur.

#1: What is the spending password?[edit]

If you are using a Cardano Wallet like Yoroi or Daedalus you may have wondered what the "spending password" is for. Watch this video of our new "Blackboard Series" to find out what the spending password is for and why it doesn't protect your seed words.

#2: What is staking?[edit]

In contrast to a proof of work system, like Bitcoin, where everyone tries to solve a riddle to mine a block and get a reward, it's more like a lottery in Cardano's a proof of stake system. It's the first proof of stake system that has mathematically been shown to be provably secure.

#3: What is a hardware wallet?[edit]

Learn what a hardware wallet is and how it works. If you'd like to know more about Cardano wallets and their attack vectors check out our article on

#4: What is the transaction assurance level?[edit]

If you are using a Cardano wallet like Yoroi or Daedalus, you will certainly have noticed "low", "medium" and "high" already. Watch this video to understand what this means.

#5: What is plausible deniability?[edit]

Plausible deniability can take your crypto security to the next level.

#6: What are epochs and slots?[edit]

Learn what epochs and slots are and why this notion of an epoch makes Cardano highly scalable.

#7: What is a 51% attack?[edit]

A majority attack on Cardano is virtually impossible, but like any decentralized system Cardano would be not resistant to an adversary holding 51% of the resource. Learn what a so called "51% attack" is and what an attacker could do. The video also explains how chain selections works and what a double-spend attack would look like.