A simple change just got shipped that should make every crypto app way faster by default. Viem (the library powering most crypto apps) polls the chain to check if a transaction has completed every 4 seconds as the default value. This makes sense for mainnet with 12 second block times, but most L2s today have much shorter block times. Polling every 4 seconds means your app could be waiting for transaction confirmation despite your transaction being confirmed many blocks ago. This PR adds a new “chain.blockTime” field that changes the default polling interval to be much faster on L2s. Instead of 4 seconds, the default polling interval is now (chain.blockTime / 3) with block times predefined for OP stack and ZK stack chains including Abstract. Shoutout to @coffeexcoin and @_jxom for shipping this. Update your Viem versions to see the difference!