During the reign of Emperor Domitius, the coinage of the Roman Empire underwent significant changes. The emperor's primary goal was to stabilize the monetary system and to restore imperial authority over finance. To this end, he took many measures, including increasing the value of gold and silver currencies and centralizing the minting rights. In 116, Domitius issued a new gold currency, the aureus. aureus weighed 7.94 grams and had a silver content of 92%. This currency was significantly more stable than previous gold currencies and soon became the official gold base of the Roman Empire. Domitius issued a new silver currency, the denarius. The denarius weighed 3.89 grams and contained 93% silver. This currency was also more stable than previous silver currencies and soon became the official silver base of the Roman Empire. Domitius also centralized the minting rights. In the past, minting rights were transferred to a number of provincial cities. However, Domitius revoked these rights and placed the coinage under the control of the imperial treasury. This measure helped the emperor exercise more control over finances. Domitius' coinage had a significant impact on the finances of the Roman Empire. The emperor's actions helped stabilize the monetary system and restore imperial authority over finances.