Grab ZKVerify Exclusive NFT :- https://metaschool.so/courses/introduction-to-zkVerify
click on Continue Learing and complete step by step guide:- 

Quiz ANS:-
1st - Watch video https://youtu.be/GIsrkIabroU
2nd - ZKrollups faces challenges like data availability issues, proof verification costs, and potential centralization risks
3rd - Reduce Cost By Off-chain Computation , Batching Transactions , Reduced Data Storage , Fewer Validation Requirements & Scalability
4th - Zero-Knowledge Proofs , Scalability , Privacy , Interoperability & User Experience

Technical Section Start:- 
Setting Up a Wallet and Connecting to Testnet-

5th  Download the Talisman Extension https://www.talisman.xyz/
    - Create New Polkadot Wallet and Save the Key-Phrase
    - Open Talisman Extension and click on Settings
    - Open Network Section and click Enable Testnets

6th Get The Testnet Faucets
    - Go to https://www.zkay.io/faucet and connect Talisman Extension then claim faucet
    - Copy your ZKverify Addresss and submit 

Proof Submission Tutorial-
7th - Get 

1 { 
git clone https://github.com/0xmetaschool/zkverify-proofverification.git

cd zkverify-proofverification
}

2 {
npm install -g snarkjs@latest
}

3 {
curl --proto '=https' --tlsv1.2 https://sh.rustup.rs -sSf | sh
}

4 {
git clone https://github.com/iden3/circom.git
}

5 
{
sudo chmod +x circuit_setup.sh

./circuit_setup.sh

}
node snarkjs2zkv convert-proof /workspaces/ZKVGUIDE/zkverify-proofverification/proof.json -o proof_zkv.json
node snarkjs2zkv convert-vk /workspaces/ZKVGUIDE/zkverify-proofverification/verification_key.json -o verification_key_zkv.json
node snarkjs2zkv convert-public /workspaces/ZKVGUIDE/zkverify-proofverification/public.json -o public_zkv.json -c bn128