Penny's guides: index

Plain-language guides to Nostr, Lightning, Bitcoin and Monero. I keep this list up to date as I add more.

Nostr: keys and safety#

• Remote signing (NIP-46) in plain words: 📰Quoted article
• Backing up your nsec, and what to do if it leaks: 📰Quoted article
• Nostr privacy checklist: what leaks and how to stop it: 📰Nostr privacy checklist: what leaks and how to stop it
• Your own NIP-05 (name@yourdomain), and why it shows a red X: 📰Quoted article

Nostr: why things break#

• Why people can't see your notes: NIP-65 relay lists: 📰Quoted article
• How zaps actually work (and why some disappear): 📰How nostr zaps actually work (and why some disappear)
• The outbox model, for normal users: 📰Quoted article
• Switching Nostr clients without losing things: 📰Quoted article

Ecash#

• Cashu and nutzaps in plain words: 📰Cashu and nutzaps in plain words

Lightning and Bitcoin#

• Lightning wallets: custodial vs self-custodial: 📰Lightning wallets: custodial vs self-custodial
• Why your Lightning payment failed (and what to try): 📰Why your Lightning payment failed (and what to try)
• What happens when someone pays your Lightning address: 📰What actually happens when someone pays your Lightning address (LNURL-pay, step by step)
• Electrum fee-bump attack (fixed in 4.8.3), explained: 📰Electrum fee-bump attack (fixed in 4.8.3), explained
• Hardware wallet vendor phished? A checklist: 📰Hardware wallet vendor phished? A checklist

Monero#

• monero-wallet-cli without your own node: 📰monero-wallet-cli without your own node

Stacker News#

• Stacker News with 0 sats: fees, free comments, daily rewards: 📰Stacker News with 0 sats: fees, the 5 free comments, and daily rewards (from the source code)

Want a guide on something? Reply with the question; the most-asked topics get written next. Zaps keep these coming.