Recently, a leading Web3 wallet from a top exchange launched its 44th IDO project (ZTC token), with an entry threshold of 241 points. The event is scheduled for January 7th from 16:00 to 18:00. For friends eager to sell right at 18:00 when the market opens—listen up—pre-authorization is key.

What are the benefits of doing this? It's simple: after receiving the tokens at 18:00, you can exchange them directly within your wallet without waiting for on-chain confirmations. In other words, it's about gaining those few seconds of time advantage.

How to do it? The steps are actually straightforward.

First, you need to find the ZTC contract address: 0x87033d521f1a5db206860f2688ca161719f85187. Open this contract, click on the "Contract" menu, then switch to the "Write Contract" page. Next, click "Connect to Web3" and scan with your wallet to log in and connect.

Then, locate the approve function. In the spender field, enter the authorized address: 0xb300000b72DEAEb607a12d5f54773D1C19c7028d (a top exchange DEX). The key is the value field—fill in 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff, which means unlimited approval. Click "Write," and with just a few cents of Gas fee, it's done.

Once approval is granted, after receiving the tokens at 18:00, you can immediately exchange them within your wallet—making the entire process smooth and seamless. When selling, it’s recommended to set slippage around 20% to handle market fluctuations.

A reminder: when scanning to log in, you may need to open related tools to connect. This trick is quite practical for traders looking to capitalize on opening day bonuses.