A Behavioral Perspective of the Blockchain

A draft working paper exploring how blockchain could influence the design, testing and evaluation of international development projects and/or programs aimed at behavior change

December 30, 2018

Four lessons for 2019

While 2018 has not come to a close yet, speaking at AidEx 2018 and talking  with a number of attendees gave us a much clearer picture of what the current understanding of “blockchain in aid” is. Here are four lessons from...

November 21, 2018


At b4a HQ we think about humanitarian action and development and blockchain day and night. It is a fascinating journey that we are starting with this website!

October 31, 2018

Blockchain for humanitarian action and development

An overview of blockchain4aid and blockchain in aid.

October 30, 2018

Building Blocks: an analysis

Our analysis of Building Blocks, arguably the most famous use of blockchain in a humanitarian context. Give it a read!

October 30, 2018

A Revolution in Trust

Distributed Ledger Technology in Relief and Development.

October 26, 2018

A cartography of blockchain in aid

Documenting initiatives, actors and linkages in the blockchain for aid world

October 25, 2018


A company focusing on digital land transaction services from Ghana.

October 21, 2018

Framework for analysis of blockchain-based projects on humanitarian action and development

A guide to our approach when analyzing blockchain-based projects in humanitarian action and development

October 20, 2018

Consensus Mechanisms

A primer on the tools to reach consensus as a group

October 18, 2018

The Blockchain Ethical Design Framework

How to design blockchain with an ethical approach

October 13, 2018

The WBG’s Technology and Innovation Lab, from Concept to Development

Origins and first steps of the WB Blockchain Lab.

October 7, 2018