Blockchain technology, known for its association with Bitcoin, is a decentralized, secure, and hack-resistant online ledger. While often linked to illegal activities, institutions like the World Bank and UNICEF see its potential for positive impact. Blockchain can secure information and transactions without intermediaries, benefiting low-income countries by ensuring data integrity and reducing costs. Examples include Bitland’s land deed registration in Ghana, BitPesa’s low-cost remittances in Africa, and Grid Singularity’s secure solar power payments. However, challenges remain, such as accessibility for those without internet or smartphones. Read it here.