Quote from: kevin08 on December 22, 2015, 11:30:05 AM

Quote from: spartacusrex on December 21, 2015, 09:05:55 PM

I am not sure how many txn's on average are in the chain going back to the coinbase.. Anyone ?

You need 100 confirmations before you can spend coinbase coins. Today most blocks are full, and have between 1000 and 3000 transactions in each block. If we take an average of 1500 transactions in each full block, then spending a coinbase coin as fast as possible would require waiting for 100 blocks with an average of 1500 transactions in each block. That makes 100 x 1500 = 150000 transactions in the chain going back to the coinbase of freshly mined coins spent as soon as they possibly can be.

No - I didn't explain well enough. That's not what I mean.

I mean when you spend an output, how many 'spends' are there going back to a coinbase txn.

So - the first time you spend the coinbase, is 1, then the next txn that uses those outputs, is 2, etc etc..