Banco de España Blog

Using a simple format and plain language, the Banco de España Blog seeks to make our work more accessible to the general public. It allows us to share our analysis of economic and financial issues and the ins and outs of the Banco de España’s tasks and activities with all those keen to learn more.

The Blog series group together posts covering certain similar topics. Further down is a general listing of all Blog posts, with a search function to help readers find the posts they are interested in.

 

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Sovereign bonds, climate change and investment: what do the metrics say?

Series: Focus. Research blog

29/09/2026 Mercedes de Luis and Clara I. González

Climate change now plays a role in investment decisions. More and more investors are considering the environmental impact of the assets they buy. Government debt securities are no exception. Find out what a sovereign bond’s carbon footprint is, how it is calculated and why it matters.

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How to use the calendar: use the arrow keys to navigate the calendar. Press the arrows to navigate by days of the month. Press shift and the arrows to navigate by month. Press control and the arrows to navigate by year.

9 results found with the selected filters

imagen capitulo 24

08/04/2026

Crypto-assets: from hype to regulatory reality Series: Innovation and technology

María Molero , Lucas García and Diego Hernández

Is crypto just a technological playground or the future of financial assets? How is the digital euro different from a stablecoin? And why did Facebook try to create its own currency? We’ll explain what crypto-assets are and, with María Molero, Lucas García and Diego Hernández, explore what they can offer investors, what they mean for the financial markets and how their regulation has been designed.

Financial regulation

Resolución de bancos: cómo proteger al sistema bancario sin rescates públicos

12/12/2025

Bank resolution: how to protect the banking system without public bail-outs

Alberto Concepción González and José María Serena Garralda

Bank resolution aims to efficiently and swiftly resolve failing banks, while protecting customers, public resources and financial stability. Over its ten years of existence, the Single Resolution Mechanism has effectively managed major crises, including the Banco Popular episode.

Financial regulation

Episodio 9

18/06/2025

Financial stability, a check-over for the banking sector Series: Economy, Regulation and Supervision

Alejandro Ferrer and Irene Roibas

Driving safely means having a reliable and well-maintained car. But the roads need to be good and conditions favourable as well. It’s the same with the banking sector. If a bank is to act as an intermediary (channelling funds from savers to investors) it has to be solvent. But that isn’t enough: is the road – the economy – in good condition? Is there enough financial stability to move forward? Grab your headphones and click to find out!

Financial regulation

Big Tech

17/06/2025

Big Tech and its role in the financial sector

María Gamoneda , Pablo Pérez and Marian Quesada

Providing financial services entails financial stability risks which warrant applying strict regulation to banks. Big Tech companies have made rapid inroads in this area but are not subject to similar legislation. It is time to rethink the regulatory perimeter, but who and what should be included?

Financial regulation

mundo-sandbox-CMA-subhome

29/10/2024

Sandbox: the testing environment for financial innovation

Concepción Fernández Zamanillo and Carolina Toloba Gómez

To help the financial sector go digital, regulators have set up testing environments or sandboxes for innovative technological solutions. A sandbox allows supervisors and project promoters to work together in a controlled setting, where both can learn and gain significant benefits.

Financial regulation

subhome colchones

29/09/2023

The Banco de España raises the capital buffers for systemic banks

Ángel Estrada

Systemic banks are key for the stability of the financial system. They are thus subject to specific additional regulatory capital buffers. For 2024 onwards, the Banco de España has raised the minimum buffers for Santander and BBVA, in line with the new framework set in place by the ECB.

Financial regulation