It is now over a decade since the ECB last reviewed its strategy and a review will provide an opportunity to take on board the lessons of the financial crisis as well as our experience of a low-inflation environment. Fourth, we must learn the lessons of the past and prepare ourselves for the challenges of the future.
Not scalable to large volumes of transactions due to the longer time taken to validate each block of transactions. Probabilistic finality—there is a very small chance that the transaction could be nullified if a malicious agent managed to change the blockchain. Reliance on crypto-currency exchanges for cross-border transactions which could be subject to cyber-attacks.