• Motivation
• Event Kind
  • Event Fields
• Encryption
• Fertilization Flow
• Security Considerations
• Backwards Compatibility
• Rationale
• Reference Implementation (Pseudo-Code)

§Motivation

Centralized reproduction systems are opaque, permissioned, and resistant to innovation. With Nostr, we can finally disrupt the $7.5 trillion human mating industry by allowing sovereign individuals to create offspring trustlessly and censorship-resistantly, while preserving key cryptographic properties:

• Authenticity: Your gametes are signed by your private key. Not your keys, not your kids.
• Confidentiality: Your gametes are encrypted to the intended recipient’s pubkey.
• Portability: Your gametes can be relayed globally without geographical restrictions (except Antarctica, where relays are unreliable).

§Event Kind

A new event kind is introduced:

kind: 6969

This event represents an Encrypted Gamete Transmission (EGT).

§Event Fields

§Encryption

1. Gamete Serialization: The DNA is serialized as a 3.2 GB JSON array of nucleotides (["A","C","G","T",...]).
2. Gamete Compression: For bandwidth efficiency, the JSON is GZIP-compressed.
3. Double Encryption: The compressed gamete is encrypted using nip04 to the recipient’s pubkey. To add extra spice, encrypt again with nip44 just to annoy wallet developers.

The final payload is Base64-encoded and placed in the content field.

§Fertilization Flow

1. Alice creates an EGT event with [ "type", "egg" ] and sends it to Bob.
2. Bob creates an EGT event with [ "type", "sperm" ] and encrypts it for Alice.
3. Both events are transmitted via relays, where other clients may (accidentally) attempt fertilization if they misimplement the spec.
4. The recipient’s client performs Fertilization-as-a-Service (FaaS™) by combining gametes locally and simulating zygote creation using zero-knowledge proofs of paternity (zk-PoP).

§Security Considerations

• Key Safety: Losing your private key could lead to unplanned parenthood by anyone in possession of your key. Use a hardware signer for gamete events.
• Spam Mitigation: Relay operators may wish to charge high fees to store gametes, as 3.2 GB JSON blobs per event could fill all disk space on earth.
• Consent: Clients MUST verify explicit consent before fertilization. Otherwise, we risk creating an immaculate conception vulnerability (CVE-0000-000X).

§Backwards Compatibility

Non-supporting clients will simply display these events as incomprehensible Base64 blobs, which is acceptable. However, there is a small chance that relay operators may accidentally give birth to NIP-born AI babies if the blobs are fed into LLMs.

§Rationale

This NIP leverages Nostr’s key properties—public keys, private keys, signatures, and relays—to decentralize yet another previously centralized industry: reproduction. It upholds the cypherpunk ethos:

“Not your keys, not your kids.”

§Reference Implementation (Pseudo-Code)

import json, gzip, base64
from nostr_encryption import nip04_encrypt, nip44_encrypt

def create_gamete_event(gamete_type, dna_sequence, sender_sk, recipient_pk):
    dna_json = json.dumps(list(dna_sequence))
    compressed = gzip.compress(dna_json.encode())
    encrypted = nip04_encrypt(sender_sk, recipient_pk, compressed)
    double_encrypted = nip44_encrypt(sender_sk, recipient_pk, encrypted)
    content = base64.b64encode(double_encrypted).decode()

    event = {
        "kind": 6969,
        "tags": [["type", gamete_type]],
        "content": content,
    }
    return sign_event(event, sender_sk)