Read time: 6 minutes. This post explains how ERC-721 works and does not require any prior knowledge of Ethereum or blockchain. 简体中文 --> http://www.sfgroup.hk/news_post/通俗易懂的告诉你什么是erc-721/ （奇点财经翻译）
How does your phone connect to a web server?
Most of your time on computers/phones/technology is spent with a web browser accessing a web page. Most of the screens you see out in the world that display information are usually using a web page to show it, but they just hide the URL bar.
The flight arrivals screen -- it's just a web page
Think for a minute about how this ubiquitous technology works.
You. You are very busy and you are trying to access some information, maybe cat videos or sports scores or your family members' feedback on a photo you posted of your kid. Your phone, or whatever other device is in your hand, that acts on your behalf.The web server decides how it wants to reply to your request.
Technology people, the ones that make your phone and the web servers, refer to y…
I have been sending Right To Know requests to the PA Turnpike to expose how much they are collecting by overbilling drivers that exit the turnpike with a ticket. PA law states how much they can charge: In the event of a lost toll ticket, the patron shall pay the fare from the farthest point of entry on the Turnpike to the actual point of exit. 67 Pa. Code § 601.12(d). But instead they are ignoring your actual point of exit and charging based on greater of your point of exit or exit from the opposite direction. Assuming drivers are losing tickets traveling East as often as West, this means half of those tolls are overbilled. BUT HOW MUCH? I made a request to find out! I asked for only the date, exit location, and toll amount for all tickets. PA Turnpike Commission denied the request saying that knowing the exit location of anonymous cars amounts to "vehicle movement records" and is not eligible for public disclosure. The PA Office of Open Records agreed by citing a case where a r…