So I am hoping I can get some advice for a change.
My "day job" is trading FIAT, not only for myself but also for clients. For the past couple of months, I have been persuading a couple of clients to "invest" in bitcoin and Ether and basically HODL. So the idea is I trade FIAT as normal, at the end of the month, when I would usually transfer the funds to their bank accounts, I buy BTC and/or ETH, instead, and transfer to their wallets.
These aren't small amounts that will be deposited each month, for one client it could be anywhere between 10-20 BTC per month or 350-500 ETH per month, so I need to be able to make sure they are secure. I have thought about hardware wallets (Ledger/ Trezor) which I use myself BUT I just don't think they are the best solution for non-technical people.
So, I would like your opinion on my solution to this.
For bitcoin use a multisig Electrum Wallet. The client holds 1st co-sign part on his computer and I hold the 2nd co-sign on a computer that never links to the internet, so effectively its an ice cold wallet.
For Ether I thought of using GNOSIS for the multisig wallet. To be honest, though I have only played around with this wallet on the Rinkeby testnet, so looking for advice on what people make of it (i,e how secure is it that funds cant be locked like with the Parity Multisig wallet a couple of years ago)
Now the likelihood is one client will only ever need to use the co-sign wallet maybe once per year (he plans to HODL long term) whereas a second client might want to move funds around and have cosigned transactions monthly.
This cosign option seems (in my head) to work equally well for both clients.
I already have a PoA (power of attorney) if anything happens to me, they can get their funds back, so I can just add a codicil covering the Private Keys etc - and have those stored in a Safety Deposit Box, so I am not worried about that. I want your opinion on the method I am looking to implement and whether you think its a good option.
Persuading traditionally conservative clients to dip their toe in the crypto water, has/is a hard uphill struggle even though there are huge benefits for them, I just want to make sure I have covered all the bases and I am offering them a solution that is the "best in breed"
Obviously, its something I can charge my clients for, but that's not a motivating factor,, it's about keeping my clients BTC/ETH secure.
I would really appreciate any comments/suggestions.
