Dignity is a stablecoin pegged to gold, that was developed by the company Cryptobontix. Each DIG token is pegged to the worth of 0.02445 grams of gold, which was worth exactly $1.00 at the time of the Dignity whitepaper.
Cryptobontix's portfolio of stablecoins are based on a partnership with bullion suppliers. Each individual token acts as a security on a 15-year convertible mortgage. The DIG token is pegged to the value of gold. Every year, 1/15th of the tokens can be redeemed for gold valued at around $1.00.
Cryptobontix does not actually own all of the physical gold. The company plans on spending its profits on acquiring the actual bullion that token holders will have the option of converting.

HUSD token is a stablecoin that was created by a Hong Kong based company called Stable Universal. HUSD is backed by US Dollars in a 1:1 ratio that are held in a trust company. The HUSD stablecoin is designed to have a governance structure that will increase security, liquidity, and transparency. Monthly audits of HUSD's reserves are conducted by an independent accounting firm to ensure that the 1:1 backing is maintained.