I'm in a pretty awkward situation. On the one hand, I'd like to keep myself free from any financially based commitments and on the other hand, I feel really bad about turning down those who from the bottom of their heart want to express their gratitude for my work and ask for my LTC and ETH wallet addresses.
Only today I discovered that 
What I decided to do is to place QR codes of my ETH and LTC wallets as the cover image of my Steemit account that they can be read by any QR reader.
Finally, I do not ask for any donations but at the same time I take my hat off to those who donate.
LTC https://insight.litecore.io/address/LMHrsus6XhLqDKJsSxEiYi1hen42KxoZeM
ETH https://etherscan.io/address/0xbFb83B913871dc461085a3557EA350c3c3aF21bF