OP_RETURN
XolosArmy Opinion: eCash stays true to Electronic Cash, while BCH drifts toward Ethereum UTXO. Read more: https://xolosarmy.xyz/blog/electronic-cash.html
We should be more focused on having more fun transactions like smart emojis where a 🍺 is around the price of a beer, or a 💰 is a redeemable check.