3) Because it's a public ledger, I didn't need third-party to make sure I didn't cheat, or make extra copies for me, or send apples twice, or thrice...
Ngenxa yokuthi yileja yomphakathi, angizange ngidinge uMalume uTommy (umuntu wesithathu) ukuqinisekisa ukuthi angizange ngikhohlise, noma ngizenzele amanye amakhophi, noma ngithumele ama-apula kabili, noma kathathu...