Task in the Bitcoin ecosystem - Questions
What is the difference between a SPV (Simplified Payment Verification) and a full node?
The SPVs do not have to download all the information from the blockchain system for verification but they rely on the nodes, the complete nodes as their name indicates if they have all the information on the blockchain system.
What does it mean when a transaction is transmitted?
It spreads over the network and waits for mining work to be included in the post-blockchain block
How does a miner choose which transactions are added to the next block?
Everything is based on the reward, miners seek to choose the transactions with the highest rates.