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<p>[QUOTE=&quot;Burton Strauss III, post: 7994774, member: 59677&quot;]Actually, you CAN duplicate things on the blockchain.</p><p><br /></p><p>When Bitcoin deployed a new software release, some people refused to update and so now you have Bitcoin and Bitcoin Cash - if you had bitcoin back before the split you have both (recall the discussion about the 1toz 1000btc coin we had last week).</p><p><br /></p><p>The advantage of the distributed ledger that makes up the blockchain is everything is out there in the sunshine.</p><p><br /></p><p>The disadvantage is that if 50% + 1 of the participants agree, you can make anything you want to happen happen. It wasn&#039;t that long ago that 75% of the bitcoin &quot;power&quot; was concentrated in three Chinese mining pools.</p><p><br /></p><p><a href="https://fortune.com/2021/10/26/bitcoin-mining-capacity-ownership-concentration-top-investors-nber-study/" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://fortune.com/2021/10/26/bitcoin-mining-capacity-ownership-concentration-top-investors-nber-study/" rel="nofollow">https://fortune.com/2021/10/26/bitcoin-mining-capacity-ownership-concentration-top-investors-nber-study/</a>[/QUOTE]</p><p><br /></p>

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