and credit through a system referred to as “social comptabilism.” The opening of the work introduces the concept of replacing money with an account-keeping system that theoretically would allow for transactions to be conducted without physical currency. Solvay begins by discussing the role of money in society, arguing that it is mainly beneficial for commercial transactions and is not strictly necessary for all individuals. He posits that if transactions could be recorded legally and efficiently in a bookkeeping manner, money itself could become obsolete. The text outlines the theoretical implications of such a system, suggesting that it could simplify trade and improve economic relations without the complications brought about by the fluctuations of monetary value. The work aims to lay the groundwork for a practical application of these ideas, including examples from existing systems in Austria. (This is an automatically generated summary.)