Jon C questions

Jon C answers

• how to verify the signature of a message in phantom solana?
• Blockhash not found when sending transaction
• Solana Anchor: how can a program check approved token allowance given by an user?
• Total Supply API for Coinmarketcap listing
• Transaction simulation failed: Attempt to debit an account but found no record of a prior credit
• Why is "anchor build" and "Cargo build-bpf" showing wrong rustc version?
• Solana - Commitment vs preflightCommitment
• Problem with deploying program to solana on localhost
• What is the algorithm Phantom Wallet (Solana) uses to sign messages?
• Get Current TimeStamp