1

Do full nodes verify the entire transaction chain up to coinbase when verifiying a single transaction to be included on the block which they are working on ?

2

They achieve the same result as if they did this, though not by actually doing it. (There are a number of obvious optimizations, for example, maintaining an indexed database of unspent outputs.)

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.