Platform as a service (PAAS) featuring computer software platforms for Platform as a service (PAAS) featuring computer software platforms for blockchain technology; Platform as a service (PAAS) featuring computer software platforms for smartcontract technology; Platform as a service (PAAS) featuring computer software platforms for management of gun and ammunition purchases, gun and/or ammunition purchasers, gun and/or ammunition sales, gun and/or ammunition sellers, gun and/or ammunition tran...