Optimism address https://3xpl.com/optimism/address/0x877bac8bbffc5a00f06a1f75c2a2e68e41b2a18c zkSync Era address https://3xpl.com/zksync-era/address/0x877bac8bbffc5a00f06a1f75c2a2e68e41b2a18c