Start-up Devvio claims its blockchain can handle 8M transactions a second

The new blockchain protocol, Devv, was demoed at CES; backers say it outperforms other distributed ledger technologies and traditional financial networks such as VisaNet. Analysts are skeptical.

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"The way we handle collusion is different from Proof of Work. So there can be the threat of 51% of our computers all being hacked at the same time, but that's also a strength of bitcoin – it's a really difficult attack vector," Anderson said. "It's similar in that it's fault tolerant up to 51%."

Devvio's blockchain protocol is both permissioned and public, Anderson said, alluding to the fact that validators certify new blocks and every entry is seen by every node. But the blockchain is not overseen by a central authority, as a permissioned or private blockchain is.

"I'm skeptical of private blockchains because you're losing half the value of blockchain in general. Blockchains are good at two things and only two things: they're robust and difficult to hack and they're trustless," Anderson said. "So, a private blockchain is not trustless; someone oversees the blockchain."

In order to meet business needs, any blockchain needs three things:

  • To be public, ensuring authenticity because when two people can see a transaction online, they can independently audit the transaction and independently audit the entire chain of blocks;
  • To be immutable, where every transaction is directly tied to the previous one and any change creates a new chain of transactions;
  • And to be decentralized, so that the record of transactions reside on many nodes or computers.

"If you have those three things, then you have a trustless computing," Anderson said.

Copyright © 2019 IDG Communications, Inc.

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