We investigate the risks and opportunities to the mandates of central banks arising from fintech developments. Fintech may affect the different areas of responsibility of central banks - mainly monetary policy and financial stability - by changing money demand and by changing the industrial...

We explore the economics and optimal design of "permissioned" distributed ledger technology (DLT) in a credit economy. Designated validators verify transactions and update the ledger at a cost that is derived from a supermajority voting rule, thus giving rise to a public good provision game....

The success of alternative payment systems has led to discussion of various proposals to replace money with a new technology-based system, though many lack a clear idea of what exactly is the "money" they seek to replace. We begin by presenting the explanation of money's role in the economy...

This paper offers a critical survey of the three overlapping domains of the phygital world: the Web, the Infosphere, the Metaverse, and their innovative components – blockchain, distributed ledger technology, cryptoassets and cryptocurrencies. This requires a (bold) attempt to synthetize the...

This paper analyses the consequences for monetary policy in the presence of currencies issued by firms. Such currencies generate seignorage revenues and information on consumers. In a benchmark model of imperfectly competing firms, information breaks the usual portfolio indeterminacy as in...

Recent developments in the monetary sphere of Liberia including the “dearth of local currency banknotes” have triggered escalating public conversations about the financial system of Liberia and perceived risks and opportunities. Many pundits from within and outside Liberia have yielded to...

This paper presents the arguments for and against central bank digital currency increasing financial inclusion. Financial inclusion is arguably one of the many reasons for issuing a central bank digital currency. The arguments in support of CBDC increasing financial inclusion are that CBDC can...

Many central banks are currently investigating Central Bank Digital Currency (CBDC) and possible designs. A recent survey conducted by the European Central Bank has found that both citizens and professionals consider privacy the most important feature of a CBDC. We show how a central bank could...

With the emergence of Bitcoin and recently proposed stablecoins from BigTechs, such as Diem (formerly Libra), central banks face growing competition from private actors offering their own digital alternative to physical cash. We do not address the normative question whether a central bank should...