SignatureChain, established in 2018 on the Waves Platform, specialises in secure data certification, enabling transactions using fiat for its SIGN tokens. It's widely applicable in various sectors. Educational bodies use it for digital diplomas and certificates, healthcare organisations for medical certificates, and artists and inventors for copyright and patent validation. In legal domains, it assists in digitally signing contracts and simplifies financial transactions through blockchain-based remittance recording. Additionally, it provides services for timestamping events and authenticating emails. SignatureChain has also ventured into digital art through SIGN Art since mid-2020, highlighting its adaptability and forward-thinking approach in the digital era.