BlockGem Crypto Archive: September 2025 Coins, Exchanges, and Airdrops

When you look at crypto coins, digital assets built on blockchain networks that can be traded, held, or used in decentralized applications. Also known as cryptocurrencies, they’re the foundation of everything happening in this space. September 2025 wasn’t about hype—it was about real movement. New coins launched with clear utility, not just whitepapers. Exchanges updated their listing rules, and airdrops started rewarding actual users, not just wallet holders.

cryptocurrency exchanges, platforms where users buy, sell, or trade digital assets, often with fiat or other crypto pairs. Also known as crypto trading platforms, they’re the gateways most people use to enter the market. This month, top exchanges like Binance, Kraken, and newer players like Bitget tightened their verification steps. Why? Because regulators kept pushing. That meant fewer low-quality tokens made it onto major lists—but the ones that did? They had real volume and active communities. Meanwhile, decentralized exchanges saw a spike in usage as users got tired of waiting for centralized ones to list their favorite projects.

airdrops, free token distributions given to users who complete simple tasks like holding a coin, joining a community, or testing a new protocol. Also known as token giveaways, they’re how many projects build their first user base. In September 2025, airdrops stopped being random. Projects started tracking on-chain behavior—like how long you held a token or if you used their dApp more than once. If you weren’t active, you didn’t get paid. That killed the bots. The winners? People who actually used the tools, not just collected wallet addresses.

Blockchain insights this month focused on scalability. Layer 2 solutions like zkSync and Arbitrum saw usage climb past 5 million daily active users. Ethereum gas fees dropped again—not because of a network upgrade, but because more users switched to cheaper chains. That’s a quiet revolution. No headlines, just numbers.

What you’ll find in this archive isn’t a list of what went up or down. It’s what actually changed. Real coin launches with working products. Exchange policy shifts that affected how you trade. Airdrops you could’ve claimed if you knew where to look. No fluff. No recycled news. Just the stuff that moved the needle for people who were paying attention.