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Blockstack's Clarity Smart Contracts Will Source Data From Chainlink Oracles
Blockstack and Algorand's Clarity smart contracts will source their data from Chainlink's oracle network.
By Danny Nelson
Updated Sep 14, 2021, 10:02 a.m. Published Sep 30, 2020, 7:24 p.m. 1 min read

Algorand and Blockstack PBC's joint smart contract language, Clarity, is getting a data boost from Chainlink's oracle network.
- The planned integration will see Chainlink's oracles (information source links for blockchain-based applications) feed data into Clarity's cross-blockchain smart contracts, starting with realtime price points.
- Blockstack said in a press release that developers will get access to the entire Chainlink data library "in the near future" but did not provide a timeline.
- The team-up comes ahead of Blockstack's planned Stacks 2.0 protocol upgrade. The startup's CEO Muneeb Ali slated mainnet rollout for late Q4 in a recent blog post update.
- Clarity smart contracts, which will ultimately provide Algorand and Blockstack with inter-chain communications, are also set to debut at mainnet launch.
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A draft XRPL amendment notes that flash loan attacks are "structurally impossible" on the network because of how its transactions are built, an architectural quirk that has spared the chain from the exploit class that has cost Ethereum DeFi billions.
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- Recent DeFi exploits on protocols like Thorchain, Drift and KelpDAO have relied on flash loans, a mechanism that does not exist on the XRP Ledger.
- Because XRPL transactions are atomic and cannot include composable intra-transaction calls, flash loan attacks are structurally impossible on the network.
- As XRPL pursues AMM upgrades...
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