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Bitcoin Coders Confront an Old Quandary: How to Upgrade an Entire Network

An old debate is resurfacing in the bitcoin developer community, underscoring one of the critical challenges confronting decentralized systems.

MOVING PARTS: How does a whole network smoothly upgrade in a way that's backward-compatible, allowing those with older versions of the software to continue participating? (Image via Library of Congress/Rawpixel)
MOVING PARTS: How does a whole network smoothly upgrade in a way that's backward-compatible, allowing those with older versions of the software to continue participating? (Image via Library of Congress/Rawpixel)