This comprehensive guide introduces Litecoin (LTC), a peer-to-peer digital currency created in 2011 as a faster, more efficient alternative to Bitcoin. Litecoin excels in transaction speed with block generation every 2.5 minutes versus Bitcoin's 10, combined with significantly lower fees, making it ideal for everyday payments and remittances. The cryptocurrency features a hard-capped supply of 84 million coins, operates through Proof-of-Work consensus using the Scrypt algorithm, and has pioneered innovations like SegWit and MimbleWimble privacy upgrades. With over 12 years of proven security, widespread merchant adoption on platforms including Gate, and Layer-2 Lightning Network compatibility, Litecoin positions itself as practical digital silver for functional transactions. The guide addresses use cases, technical architecture, investment considerations, and common questions, helping beginners understand Litecoin's role in the cryptocurrency ecosystem and its potential as both a payment solution and portfoli