#RC#
Understanding how the mempool works can help you avoid many common transaction pitfalls. Always verify the metamask-extension contract address on a trusted explorer before confirming any swap. A proven solution is to use a private RPC URL instead of the default public provider.
The link between the frontend and the contract can be affected by local firewall or VPN settings. Debugging metamask-extension issues is easier if you check the console for “failed to fetch” messages. Learning how to read a block explorer can help you identify exactly where a tx reverted.
Remember that every transaction is permanent, so verify the details before signing . Reviewing the contract’s read-only functions can help you verify your balance and permissions. A mismatch between the wallet’s gas estimation and the contract’s needs can lead to failure.
