Dust Tokens vs Spam Tokens on zkSync
How to distinguish small legitimate balances from unsolicited or suspicious tokens.
Why this matters on zkSync
Dust describes size; spam describes intent or origin. A tiny token can be legitimate, while a large unsolicited token can still be suspicious.
zkSync is an Ethereum scaling ecosystem with its own network context and token representations.
zkSync is part of the Ethereum scaling ecosystem. The same ticker can exist on Ethereum and on zkSync as separate token contracts, so a balance seen on one network cannot be assumed to exist, or to be redeemable at the same value, on the other.
zkSync: what to pay attention to
- Security: Check the active network, contract and destination before signing.
- Assets and tokens: Verify the asset contract on zkSync before assuming it matches another network.
- Costs: Compare network fees with bridge and liquidity costs for the complete route.
A zkSync checklist for this topic
- Verify the contract address on zkSync from an independent source rather than a ticker or a logo.
- Read what a zkSync transaction or signature request actually authorizes before approving it.
- Treat unexpected tokens or links that appear in a zkSync wallet as untrusted until verified.
- Review and revoke permissions you no longer use on zkSync, especially unlimited approvals.
Bridge from zkSync
Compare network fees with bridge and liquidity costs for the complete route. On the Linea side: verify the token contract on Linea before moving it.
The bridge guide below is informational; any transaction depends on current network conditions and the route shown in the bridge interface.
zkSync → Linea BRIDGE GUIDE