<ul data-eligibleForWebStory="false"><li>Bitcoin sidechains concept was proposed in 2014 by key industry figures.</li><li>Sidechains allow for experimentation without compromising main Bitcoin blockchain security.</li><li>They consist of peg for coin transfer and consensus mechanism for operation.</li><li>Merge mining and SPV proofs are key components in sidechain operation.</li><li>Numerous sidechain designs have been proposed, but adoption levels remain limited.</li></ul>

Bitcoin Layer 2: Sidechains

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