In blockchain technology, a soft fork is a change to the software protocol where only previously valid transaction blocks are made invalid. Because old nodes will recognize the new blocks as valid, a soft fork is backward-compatible. This kind of fork requires only a majority of the miners upgrading to enforce the new rules, as opposed to a hard fork that requires all nodes to upgrade and agree on the new version.
Looking for world-class cryptocurrency portfolio management tools? Manage your digital wallets across multiple exchanges and trade anytime, anywhere. Sign up for Coinigy Now