> For the complete documentation index, see [llms.txt](https://cryptomining.gitbook.io/jackcoin/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cryptomining.gitbook.io/jackcoin/jackcoin-usdjack.md). # Jackcoin \[$JACK] ## What is Jackcoin ($JACK)? Jackcoin is a proof-of-participation token designed to complement the mining party ecosystem. While owning Jackcoin is entirely optional, it provides additional perks and utilities for community members. Jackcoin is your on-chain proof of participation and support in our ecosystem. It’s not an investment but a token of involvement. However, steps are being taken to give Jackcoin a shot at creating value. Fair Launched \ Launched with no presales, insiders, or pre-mines. Jackcoin started just like Bitcoin, offering everyone an equal mining opportunity. This style of launch aims to give Jackcoin a solid foundation built around fairness. Inflation & Halvings\ Jackcoin adopts Bitcoin’s halving model but accelerates it to 250-day cycles. The first halving is scheduled for 01/10/2025. Jackcoin \[$JACK] Contract Address: 0x085064E0b548029c5cC0a9f489611F8bceec5d52