Thank goodness for the advancement of technology. How are we to be running our bitcoin transactions if that bitcoin still functions with its old method of using an IP address to receive bitcoin up till now? While bitcoin is supposed to be transacted anonymously. That means anyone that wants to get involved with bitcoin will have to reveal his IP address, which makes him be easily traced by third parties or the government. No wonder, why so many people that heard about bitcoin at its early stage didn't bother to invest in it because they didn't want their IP addresses to be made public before transmitting or receiving bitcoin.
IP addresses have served just as an alternative means of transacting, rather than being the sole method. In the Bitcoin system, it is my understanding that Bitcoin addresses have always played a central role.
And, where did you come up with the idea that many people who learned about Bitcoin back then didn't invest in it because of that reason? Or are you simply making an assumption?