XPAY KNOWLEDGE
Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Networks
OpenTimestamps
OpenTimestamps (OTS) is an open-source project that aims to provide a standard format for blockchain timestamping.
Payments & settlementSelf-checkout
Self-checkouts (SCOs), also known as assisted checkouts (ACOs) or self-service checkouts, are machines that allow customers to complete their own transaction with a retailer without using a staffed checkout. When using SCOs, customers scan item barcodes before paying for their purchases without needing one-to-one staff assistance. Self-checkouts are used mainly in supermarkets, although