mmsqe

@bytesingsong can you sign the commit?

@todaymoon can you sign the commit?

Hi @Igorarg91, have you try sync with `tracer = ""`?

yes, can switch [empty](https://github.com/evmos/ethermint/pull/746/files#diff-3c25189bbd67311458979d8b7dcacba95332e9afd3754e23966df0388287be9cR141) tracer after [v0.6.10](https://github.com/crypto-org-chain/cronos/releases/tag/v0.6.10) which is expensive when syncing.

> What is the use case for this feature or what is the bug that we are actually fixing with this? [This](https://github.com/crypto-org-chain/cronos/blob/399d33aa58631329abccc4b9e2aec92e73bf0602/app/app.go#L423) allows faster prepare proposal when using NoOpMempool which...

> Is there a case where you are a no-op mempool and you wouldnt want this behavior? Why not make this the default behavior when using a no-op mempool? Not...

I tried [EncryptAndDecrypt](https://github.com/mmsqe/cronos/commit/eaddaae8ad68541c0bc4f2f3fef67dd141f0611e#diff-bc6f7f2529a9a073963886c2c2757dc95f2910252757984a8cd1a46a4c234b42R13) with btcd seems work with [secp256k1](https://pkg.go.dev/github.com/decred/dcrd/dcrec/secp256k1/v4#section-readme)

> > I tried [EncryptAndDecrypt](https://github.com/mmsqe/cronos/commit/eaddaae8ad68541c0bc4f2f3fef67dd141f0611e#diff-bc6f7f2529a9a073963886c2c2757dc95f2910252757984a8cd1a46a4c234b42R13) with btcd seems work with [secp256k1](https://pkg.go.dev/github.com/decred/dcrd/dcrec/secp256k1/v4#section-readme) > > define "work" ;D do we need support multi recipients here

> @mmsqe looks like there are some CI issues Seems got github rate limited.

> @mmsqe we should note that this is an API breaking change - is there any way to make this non-api breaking? seems inevitable, since we can't add property in...