Ethereum

One line ENS explainer for your grandma:

ENS is a simple naming service. Like your parents gave you a name you can name any wallet address with ENS.

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It’s such a good brain work though! The uses for ENS. 

A simple naming service that…

( For me il wondering if there isn’t some really simple to pull tricks for SSI as a place to park a proof about yourself/5…spit balling )

but you can simply say it's the bank account number (IBAN in EU) and she'll get it. Bet she doesn't have the IBAN of anyone memorized

What do you say to grandma when she next asks “what is a wallet address” and what is that for?

(C’mon Grandma!!)