# Learn

A series of explainers and how-to guides to help you get started in the Algorand ecosystem and Web3.

## Algorand has led the industry in post-quantum security since 2022. And now, we've revealed a clear roadmap to achieving broad quantum resilience by 2027. Secure today. Ready for tomorrow.

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[Read the PQ roadmap →](https://cta-eu1.hubspot.com/web-interactives/public/v1/track/click?encryptedPayload=AVxigLLr0FZCcZMDAZngB7k5eMDkjl3Pie3IpBnFY8sGO2R5un8kmBQhyIHM6JfpvXpr7%2BBURZ57JCdZXO9G7wfDvSKiWCJUMUH6qF%2FoXlNFwd1a46lezUFRNeliW98WPtSdhWz%2Fb2rE1L2J9OxEVYcXMF%2BF4vbue8erFAd9nLAy6b1%2Fq18qCHGdWDaQhytD%2BnHXDPrbDEFoRoJvuQk1qMgrw28XsJ47DxQ%3D&portalId=26119259&webInteractiveId=1258903424208&webInteractiveContentId=423140931813&containerType=SLIDE_IN&campaignId=6ebafa96-8c4d-4ce8-b387-5dd3bed0302a&pageUrl=https%3A%2F%2Falgorand.co%2Flearn%2Ftag%2Fblockchain)

### Articles
- [Blockchain **Atomic settlement in blockchain: What it takes to be ready for modern finance – and why Algorand is** 
  May 21, 2026](https://algorand.co/learn/atomic-settlement-in-blockchain-what-it-takes-to-be-ready-for-modern-finance-and-why-algorand-is)
- [Blockchain **What are the startup costs of building Web3 applications?** 
  March 31, 2025](https://algorand.co/learn/startup-costs-of-building-web3-applications)
- [NFT **What are inscriptions?** 
  January 17, 2024](https://algorand.co/learn/what-are-inscriptions)
- [Blockchain **What are smart contracts?** 
  January 8, 2024](https://algorand.co/learn/what-are-smart-contracts)
- [Blockchain **What is a dApp? Decentralized apps explained** 
  June 13, 2023](https://algorand.co/learn/what-is-a-dapp-decentralized-apps-explained)
- [Blockchain **What is a node in blockchain?** 
  June 5, 2023](https://algorand.co/learn/what-is-a-node-in-blockchain)
- [Blockchain **What is an oracle in blockchain?** 
  April 16, 2023](https://algorand.co/learn/what-is-an-oracle-in-blockchain)