HELP! I am trying to keep up...

I had been reading all over steemit and the internet of terms like coins, bitcoin, cryptocurrency and so much more!!! I've been trying hard to read, listen and comprehend all about this because it had raised my curiosity plus the fact that it is in some way connected with steemit. I am coping up with learning about it. Know its trading and hows its done online. I get to a point of thinking to post something asking for help of how those things work and such, but....

THEN THIS CAME....

Here I am having a problem with online coins and then I will get to hold of a new PHILIPPINE PESO CURRENCY. How in the world will I ever get to identify the two different coins in a poorly lit road riding on a trike???

The top coin in the picture is the new 5.00PHP that is exactly same size with the 1.00PHP (the ones below the new 5.00PHP). It doesn't just have the same size but its also the same color! Oh well the design is a bit different though. I am not much concern of myself I am more worried of my grandmother who still happens to go to the mall for recreation all by herself at times. She would definitely have a hard time identifying those. Another concern would be a ride of the trike is 7.00 pesos each, she might give 7pcs of that 5.00PHP coins and end up paying 35.00PHP instead. What a pity it would be!

I really am laughing at myself worrying so much of the online coins but in reality I am literally worrying about the same thing coins! Hahahahaha