Just now I was queuing in the mempool again, questioning my life… The moment you click send, you're just throwing the transaction into a pile of "pending" baskets. Miners/block producers look at who offers a more attractive fee and who is less likely to make mistakes. During congestion, it becomes even more obvious: the same transaction might be stuck for half a day, inserted ahead by someone paying a higher fee, or even if you change a nonce to speed it up, the previous one might not get into a block, causing everything behind to be stuck together; what's more annoying is that some contract calls are inherently heavy, and if you underestimate the gas, it fails directly, the money is still deducted, and there's an awkward record left on-chain. I now usually simulate everything in a script first before deciding whether to go on-chain, otherwise I just use real funds for stress testing. By the way, I've been seeing a lot of noise about NFT royalties lately, but it’s really tied to the issue of "who can settle faster and cheaper." When the secondary market is congested, nobody wants to pay extra just to get it done quickly. That’s all for now.