Brother please share this week word of the day list

📘 WODL / Word of the Day: “Passkeys”

Definition & Core Idea:
Passkeys are modern, passwordless sign‑in credentials rooted in public-key cryptography. Instead of relying on traditional passwords, these utilize a private key kept securely on your device (often hardware-backed) and a matching public key stored on the service’s server. During login, the server issues a cryptographic challenge which your device signs with the private key—verifying your identity without transmitting sensitive data.

Why It’s Vital in Crypto:
Passkeys perfectly mirror the public/private key model at the heart of blockchain security. Just as you control your wallet with private keys, passkeys offer decentralized, phishing-resistant account protection, eliminating the weakness of reused or stolen passwords.

Practical Benefits for Crypto Users:

🔐 Enhanced Security: Your private key never leaves your device, preventing credential theft or phishing.

⚡ Streamlined Login: No need to remember complex passwords—authentication is fast and frictionless.

🔄 Cross-Device Syncing: Seamlessly sync passkeys across devices (e.g., via iCloud Keychain or Google Password Manager), ensuring both accessibility and safety.

This Week’s Theme:
The WODL game running July 14–20, 2025, focuses on “Passkeys” as the central concept . The game features daily words like KEY (3 letters), SAFE (4), LOGIN (5), SECURE, DEVICE, FACTOR (6), and VALIDATE, DECISION (8) — all tied to passkey authentication .

Study Tip:
Make a list of the featured words and reflect on how each ties into the broader passkey concept and the underlying cryptography.

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Final Takeaway:
“Passkeys” replace passwords with device-specific cryptographic key pairs—akin to managing your crypto wallet access. Understanding this authentication method is essential for any crypto professional moving toward a more secure, user-friendly digital future.
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