06 - nLockTime
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The final element of the transaction is its nLockTime. nLockTime is the second part of setting up payment channels.
Payment channels are a highly useful tool and a native element of the Bitcoin protocol.
When a transaction's nLockTime is in the future, it can be considered non-final if there are also inputs with non-final nSequence values. In this particular transaction, the nLocktime is set to 0x00000000 meaning that the field references block 0 and the transaction is final at any time.
In the above animation it can be seen that the transaction is not final until either the nSequence field is UINT_MAX or the nLockTime passes which then overrides the fact that the nSequence UINT has not been incremented to its MAX value.
