I am here to ask questions regarding sidechains based on what I asked community members and my necessity to understand better about sidechains.
To facilitate I will introduce a scenario and explain: Let’s suppose that I want a sidechain to be responsible for restaurant transactions, I want the possibility to pay a meal with a sidechain token or LSK token.
First question: Should I use on the sidechain an LSK token or would be better a specific sidechain token? (I heard great ideas about it, e.g., each sidechain could have its own token or even restaurants could get together and create a specific sidechain token for them.)
Second question: If it is decided to use an LSK token on the restaurant sidechain then all transactions confirmed on the sidechain will be also registered on Mainnet as proof of existence, at least, its what I understood from the Lisk whitepaper. What could happen with the blockchain performance if many other sidechains decide to use LSK token instead of using its own token?
Third question: If the restaurant sidechain decided to use its own token how fast would it go to confirm the transaction and trade the token on an exchange? Will the exchange run a node of the sidechain that has its own token?