Discussion: What is your preferred crypto-currency platform?

As a bit of a scrub, I'm curious to know how others organize their various currencies.

Do you have preferred converters for Steemit?
Do you have a preferred wallet? (Does anyone use Coinbase, Coinspot, Coinpot?)
Does anyone have any experience with crypto debit or Visa pay cards?
Have you had any bad experiences with any company/wallet/converter you've chosen?

Coin Marketplace

STEEM 0.06
TRX 0.31
JST 0.063
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USDT 1.00
SBD 0.50