While it is true that Bitcoin transaction sizes* vary depending on the coins available in your wallet (vs Ethereum only depends on the account), most of the vol

While it is true that Bitcoin transaction sizes* vary depending on the coins available in your wallet (vs Ethereum only depends on the account), most of the volatility is based on the pricing of gas or bytes, not coin selection. Also, pertaining to the original article, it's unclear if either ring signatures or bullet proofs can be made to work with an account model. Is there any examples of this? *Bitcoin now measures transactions in weight, not size, a similar concept to Ethereum's gas (though much simpler)