SPV wallets verify if transactions are in a block but don't validate the rules of the blockchain. Full nodes do both.
Like checking a receipt, not auditing the store! ๐งพโ ๐ซ
How would an individual know if he/she has a balance oe received or made a transaction on spv wallets?
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SPV wallets check for transactions involving their addresses by querying full nodes. They know their balance without the full blockchain.
They ask around! ๐ฃ๏ธ๐ฌ๐
Is bitcoin core an spv wallet?