Yes, the MEMO is optional. I think i mentioned that in the video.

Very good argument. I beleive Its worth it as a long term investment provided that the value of BTC/ALT increases. I'll make a video hopefully soon to ellaborate on this point.

Im not sure who's jerry but there is lots of resouces online.

Which country?

I used to like chese but not anymire as it takes so much tine.

Interesting article. Always learning new things.

I stopped usinv Polonuex a while ago. I like and trust Bittrex.

Diverdify my friend!

Like many other countries, UK will be under water. The only place to go if yelliwstone errupts is Nars.

Im not sure where Etheroum is heading. I love ETH but i just reslized how centralized most of the coins are, unlike BTC. The news of Vitalik car crash accident coupke days ago made ETH tumble down like

Impressive, very creative!

So cute!

I watched the video on youtube. Its good idea to post ut on Steemit.

I love dolphins!

Very nice work :)

Very nice!

I beleive ripple xrp is tge only crypto that can be used by banks in partcular.

Great idea!

Looks great!