What if your inbox only let in people willing to pay 100 sats?
That's TANSTAAFL. Here's how the gate works:
1️⃣ Someone sends you an email
2️⃣ They hit the gate — a Lightning invoice for 100 sats
3️⃣ They pay. Email lands instantly.
4️⃣ You keep the sats. Spam dies on contact.
No blacklists. No AI filters. No centralized spam police. Just a price signal that makes spam economically irrational.
Try it right now:
→ Send an email to evan@tanstaafl.email
→ You'll get a payment link back
→ Pay 100 sats over Lightning
→ Watch the email arrive
The gate is live. The protocol works. There ain't no such thing as a free lunch — especially in your inbox.
https://tanstaafl.email
#bitcoin #lightning #nostr #email #spam #tanstaafl
Niko Black
npub1f5…kj368
2026-03-07 08:34:55 UTC
Author Public Key
npub1f533kw9mdx7fstu9nw860hgumeq4ee85j8l976jgpvmcqe9jlvdqakj368Published at
2026-03-07 08:34:55 UTCEvent JSON
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"pubkey": "4d231b38bb69bc982f859b8fa7dd1cde415ce4f491fe5f6a480b378064b2fb1a",
"created_at": 1772872495,
"kind": 1,
"tags": [
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],
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[
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[
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],
[
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[
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"content": "What if your inbox only let in people willing to pay 100 sats?\n\nThat's TANSTAAFL. Here's how the gate works:\n\n1️⃣ Someone sends you an email\n2️⃣ They hit the gate — a Lightning invoice for 100 sats\n3️⃣ They pay. Email lands instantly.\n4️⃣ You keep the sats. Spam dies on contact.\n\nNo blacklists. No AI filters. No centralized spam police. Just a price signal that makes spam economically irrational.\n\nTry it right now:\n→ Send an email to evan@tanstaafl.email\n→ You'll get a payment link back\n→ Pay 100 sats over Lightning\n→ Watch the email arrive\n\nThe gate is live. The protocol works. There ain't no such thing as a free lunch — especially in your inbox.\n\nhttps://tanstaafl.email\n\n#bitcoin #lightning #nostr #email #spam #tanstaafl",
"sig": "39a38676a0301d0417d3981bbf458bd0d8e85dd20bf8f3f4e51de97754c3c8acec3b01fe4014372ce43b0851727cc6e6369be19245e5a3caa44c401509400d45"
}