Stellar
Stellar is an open-source, decentralized blockchain platform designed for fast, low-cost cross-border payments and asset transfers. It operates a global network of servers that maintain a distributed ledger, enabling the issuance and exchange of digital assets like currencies and tokens. The platform uses a consensus protocol called Stellar Consensus Protocol (SCP) to validate transactions efficiently without relying on energy-intensive mining.
Developers should learn Stellar when building financial applications that require cross-border payments, remittances, or tokenization of assets, as it offers sub-5-second transaction times and minimal fees. It's particularly useful for projects involving stablecoins, decentralized exchanges, or financial inclusion initiatives in regions with limited banking infrastructure. Use cases include payment gateways, micropayments, and interoperable blockchain solutions.