What question did this study set out to answer?

The research aims to develop a non-biometric Sybil resistance protocol based on time as a resource.

April 16, 2026Open Access

Temporal Identity Protocol (TIP): Superlinear Sybil Resistance Through Temporal Accumulation Without Biometrics

Puntos clave

The research aims to develop a non-biometric Sybil resistance protocol based on time as a resource.
Introduced the Temporal Identity Protocol (TIP) with weekly user check-ins on Bitcoin.
Developed a superlinear influence score function for user scoring.
Implemented five independent defense mechanisms including behavioral verification and cross-protocol restaking.
Conducted formal cost modeling and threat analysis of the protocol.
TIP demonstrated enhanced sybil resistance capabilities over existing approaches.
Proved the effectiveness of temporal accumulation in securing influence scores.
Endorsed by industry figures, confirming its practicality for online governance.

Resumen

The proliferation of bots and Sybil identities threatens the integrity of online governance, airdrops, quadratic funding, and open discourse. Existing defenses rely on biometrics (Worldcoin), social graphs alone (BrightID), or proof-of-work puzzles (Idena), each imposing tradeoffs between privacy, accessibility, and robustness. We present the Temporal Identity Protocol (TIP), a non-biometric Sybil resistance scheme grounded in the only resource that cannot be manufactured: time. Users perform a single check-in of ~15 seconds per week, anchored immutably on Bitcoin via OpenTimestamps. The influence score follows a superlinear function S = T¹. 3, making consolidation strictly dominant over fragmentation — a property proven in production by JoinMarket (fidelity bonds) and endorsed by Buterin (2025). TIP layers five independent defense mechanisms — temporal accumulation, reciprocal interactions with slashing, implicit social graph analysis (SybilFuse), ergodic behavioral verification, and cross-protocol restaking — augmented by integrated Human Challenge Oracle (HCO) challenges. We present a formal cost model, rigorous threat analysis, and an honest treatment of bootstrapping as an open research problem. ---v1. 1 (April 2026) — Added Section 8. 7: Crypto-Agility and Post-Quantum Readiness. TIP's architecture is crypto-agile by design, with a defined migration path from Ed25519 to NIST post-quantum standards (ML-DSA/FIPS 204, SLH-DSA/FIPS 205). Temporal accumulation — TIP's core security primitive — is intrinsically quantum-resistant: no computational advance can accelerate the passage of time.

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