A node keeps a full copy of the Bitcoin ledger ( 11 years of transaction)
Let's say you have an idea to improve Bitcoin (a true good idea, with serious coding and testing) , where should you post it to ? (Select all that apply)
Can Libra be decentralized ?
What is the average time between each new block ? What mechanism ensures this over the long term ?
As a survey question, do you believe in the Bitcoin Highway thesis (As time pass and infrastructure is built on top of bitcoin, exiting bitcoin toward Fiat currency will become less and less necessary or practical).
You've sent a transaction 10 min ago but no new block have been created so far. After 12 minutes you see the newest block but your transaction isn't in it. Which statement is correct? (Select all that apply)
What happened if 2 miners find the block at the same moment? (Select all that apply)
Who are the 3 main actors in a Bitcoin transaction ? (Select all that apply)
What is true regarding the flooding process? (Select all that apply)
Which hardware is the most efficient at mining Bitcoin ? (Select all that apply)
What happens to a transaction fee ?
Could you provide examples of layer 2 solutions or alternative infrastructure which improve bitcoin stability ?
Explain why a merchant would want to run a full node.
Cesar wants to buy some bitcoins. He is searching for an easy, secured and fast solution. He is planning to buy 250 € all at once. He doesn't mind the government knowing everything and he is OK with doing KYC. What type of exchange is the most suitable for him?
What services is used to manage the Bitcoin's core Code?
Are all digital token considered as money ?
Nodes ensure the decentralization of the Bitcoin protocol.
Why do miners use electricity? (1 point for the technical process, 1 point for the game theory aspect one)
What are the 5 pillars of an Open Blockchain ?
Which of those companies are making wallets dedicated to the masses ? (Select all that apply)