Private distributed ledger technology or public blockchain?

Some people think that permissioned distributed ledger technology can perform better than open blockchain because it is tweaked to address the issues of the latter. Such systems are also called “permissioned blockchain,” as if blockchain is a high-level concept and “permissioned” is one of its variants. But this statement is controversial and down below, you will come to understand why.

https://cointelegraph.com/news/private-distributed-ledger-technology-or-public-blockchain