It is compatible with erc20. The same eth address can be used on BSC as well.
First of all, I apologize for reviving old thread. But I feel right now is the perfect time to rethink the whole zkSync move.
In the past few weeks, a lot of ERC20 based token have successfully integrates into BEP20 binance smart chain (a few example : Perlin, Alpaca, there are a lot more!). This is quite the norm now that BEP20 is becoming an ERC20 alternative. Most tokens that integrates to BEP20 smart chain think that this is a good move because the token’s value will no longer fully dependant on ERC20 network, and it’s extortionary gas fee.
What about zkSync? zkSync is not a good alternative, because ultimately, you’d still have to move your token to the main net in order to realize the profit, and that won’t become any cheaper anytime soon. Let’s face it, gas fee will not go down and it will only increase from now on. Right now it’s around $20, how many people making $20/month on Storj? 5% of the node operator? Are we willing to erase our 1 month worth of profit simply for gas?
We do not plan to switch blockchain again.
It’s not switching, but adding / integrating into more blockchain, so users can move their tokens between (and get paid at) ERC20 <-> BEP20 network as they please.
Integrating with both network is very beneficial, not only for cheaper the gas fees but also penetration into BNB markets, as well as lowering entry barrier for privacy-oriented tardigrade users who doesn’t want to use credit card for payment. We’d also have the backup network in case one of the network is suddenly full or could not validate transaction in optimal manners. It’s like “we know paypal is good, but we’d also use stripe, just in case. Stripe is also cheaper, so why not?”
I really hope this get a 2nd look from dev team 
Thank you,
VinC