Blockchain

^(alt-text)

Blockchains are like grappling hooks, in that it's extremely cool when you encounter a problem for which they're the right solution, but it happens way too rarely in real life.

We're pleased to announce a major update to xkcd, with new reading modes to enhance user experience. Select a mode via the menu below the comic.

Brought to you by our excellent design team: Amber, Benjamin Staffin, and Kevin.

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