Due to the ongoing Corona pandemic, the Ukraine war and the related inflation, the price of gold continues to rise. So it is not surprising that many investors now want to sell their golden treasures at the current high prices.

Blockchain is a database with transactions consisting of a sequential chain of digital blocks, each block storing information about the previous block and the next.

Digital services are used to solve various problems: to obtain information, order goods and find the necessary services.

PDF annotation apps are useful to help people modify and edit PDF documents that often need editing and rewriting.