Transactions that cannot be part of block

Transactions that cannot be part of block

Is it possible to have a "unlucky" transaction that can never be part of block? Meaning grouping it with other transactions never results in a valid block?

[Edit] By not being in valid block, I meant no valid nonce is found with given target difficulty. It seems mathematically, this is possible and what happens to transaction (if there is no expirey) in this case?

http://ift.tt/2BqwdbF

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