Time for a giveaway
If you want to win Mastering Bitcoin: Programming the Open Blockchain 2nd Edition Book by Andreas Antonopoulos you should enter.
Resteem ( optional for a 2nd entry)
Comment below - to say entered or entered & resteemed
I'll pick one follower randomly in 7 days to win Mastering Bitcoin, then you can send me your postage address in a secure way ( offsite obviously). I pay and my supplier ships directly to you. Straightforward and safe and a good way to develop your knowledge.