Bitcoin is fully open-source and operates on a proof-of-work blockchain, a shared public ledger and history of transactions organized into "blocks" that are "chained" together to prevent tampering. This technology creates a permanent record of each transaction.
The Bitcoin blockchain can be accessed and managed by any computer, anywhere in the world. The computers that run on the bitcoin blockchain are embedded with a set of rules which makes the data (bitcoins) scarce and valuable.
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Ethereum is described as “the world’s programmable blockchain,” positioning itself as an electronic, programmable network that anyone can build on to launch cryptocurrencies and decentralized applications.
