Polkadot blog

Security

Trusted Execution Environments and the Polkadot Ecosystem
Polkadot
Trusted Execution Environments and the Polkadot Ecosystem

The use of Trusted Execution Environments (TEEs) in combination with the Substrate blockchain modular framework is providing new solutions to enable real-use applications on the next generation of the web....

Polkadot Consensus Part 4: Security
Consensus
Polkadot Consensus Part 4: Security

So far, we have discussed how BABE creates blockchain candidates and GRANDPA finalizes them. We know that we need more than two-thirds of validators to properly follow the protocol. But how many validators are there? How are they chosen? Why should they follow the rules?...

The Polkadot Claims Audit
Polkadot Audit
The Polkadot Claims Audit

Web3 Foundation engaged Chain Security for an audit of the Polkadot Claims smart contract. The audit found 0 Critical, 0 High, 2 Medium and 9 Low level issues, all of which have been resolved in the latest commits to the code....

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