Whoa! This stuff matters. Experienced DeFi users know that “multichain” isn't just marketing speak anymore; it's a real security surface that can either protect you or wreck you, depending on the wallet. My instinct said the usual wallets would handle it, but then I saw how transaction contexts get mixed up across chains and honestly—something felt off about the UX on most extensions. Initially I thought all chains were just another RPC switch, but then realized transaction signing, contract allowance handling, and cross-chain approvals introduce unique attack vectors that many wallets gloss over.
Short version: multichain support means more complexity. It also means more places to make a costly mistake. Seriously? Yes. Wallets that treat chains as cosmetic toggles are playing with fire. On the other hand, wallets that surface chain-specific context, show clear previews, and isolate permissions reduce risk significantly; that's where Rabby has been interesting to m…