A friend recently introduced me to IOTA. Its intended purpose is machine-to-machine transfer of value. It does so without fees by requiring each transactor to s

A friend recently introduced me to IOTA. Its intended purpose is machine-to-machine transfer of value. It does so without fees by requiring each transactor to sign two other transactions. I kind of like how it turns the "ponzi" data structure into a useful workhorse, and pays for its own workload.