The Spacecoin Writing Contest offers 15,000 USDT in prizes across 3 rounds, running from Dec 2024 to Sept 2025. Writers can submit stories under general tags like #decentralized-internet, #spacetech, and #blockchain-use-case, or sponsor tags like #spacecoin, #creditcoin, and #gluwa. Topics span decentralized internet, space tech, and blockchain-powered solutions.