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BTC verification cached → 99.4% hit rate UTXO lookup 31ns warm · cold path bypassed Merkle proof delivery < 1µs across 4,200 light clients Post-quantum attestation 74 bytes · ML-DSA + FALCON + SLH-DSA Bridge replay verification eliminated → 12,400× speedup Indexer compute reduced 94% vs full re-validation BTC verification cached → 99.4% hit rate UTXO lookup 31ns warm · cold path bypassed Merkle proof delivery < 1µs across 4,200 light clients Post-quantum attestation 74 bytes · ML-DSA + FALCON + SLH-DSA Bridge replay verification eliminated → 12,400× speedup Indexer compute reduced 94% vs full re-validation
AI Cache Infrastructure · Evidence-Backed Outcome Cache for Bitcoin

Cache Bitcoin Verification Once.
Reuse It Everywhere.

Cachee is AI-powered distributed cache infrastructure for Bitcoin nodes, wallets, bridges, indexers, and exchanges. Evidence-backed outcome caching eliminates duplicated RPC fan-out, cuts UTXO state lookups, removes redundant merkle reconstruction, and accelerates signature verification. Downstream systems independently verify the cached result without re-running the verification and without trusting the cache operator. H33-74 attaches a 74-byte post-quantum evidence reference to each cached outcome; H33's cryptographic replay reconstructs the trust path. Cachee stores and serves across the industry's migration off elliptic curves.

Live integrations: ● Bitcoin Polygon zkEVM → Solana →

The H33-74 evidence element — not Cachee — lets independent parties trust each cached outcome without trusting the cache operator. That single property converts blockchain verification from a per-node cost into a shared, portable asset — the foundation of distributed verification infrastructure.

— The category shift

The hidden cost

Why Bitcoin verification is expensive — and why it's getting worse

Every Bitcoin participant — full nodes, light clients, SPV wallets, bridges, indexers, block explorers, exchanges, custodians, analytics platforms, settlement systems — performs the same verification work over and over. The same block header gets validated thousands of times. The same merkle path gets reconstructed for every SPV client. The same UTXO state gets re-queried millions of times per day across the network.

This is the design Bitcoin chose for trust minimization, and it works. But modern Bitcoin infrastructure has scaled the cost of that design to the point where verification is the bottleneck. RPC providers run massive node fleets just to answer the same questions repeatedly. Bridges replay block validation per relay. Indexers re-process the chain on every restart. Wallet sync still takes minutes because there's no portable, trustable answer that survives across sessions.

The waste is structural. It's not a Bitcoin-protocol problem — it's an infrastructure-layer problem that every chain inherits.

Modern Bitcoin infrastructure wastes enormous compute
Re-verifying identical chain state across nodes, bridges, indexers, wallets, and analytics systems. The same block gets validated thousands of times by parties that don't trust each other — but could, if there were a portable receipt.
RPC load grows linearly with consumers
Every new wallet, bridge, or analytics integration adds another full pass of redundant verification against the same canonical chain. RPC providers can't scale economics; they can only add hardware.
Verification is becoming the bottleneck
As Bitcoin throughput rises (Lightning, Ordinals, rollups, Drivechains, BitVM), per-consumer verification cost compounds. Without portable verification, every new use case pays the full re-verification tax.
Operational economics

Where the duplicated compute actually lives

These are the operational line items that Bitcoin infrastructure teams pay for every day. Each one is a searchable pain point — and each one collapses from linear → constant with portable verification receipts.

Validator compute
Validators and full nodes re-execute signature verification, merkle reconstruction, and header chain validation on every block. Cachee delivers a cached, attested verification result the next validator can independently confirm without re-running the work.
RPC load
RPC providers serve the same getblock, gettxout, and getrawtransaction calls millions of times. Cachee distributes those answers as attested cache entries reusable across operators and consumers, with a post-quantum attestation as the trust anchor.
Wallet sync
SPV wallets re-fetch and re-verify headers and merkle paths on every cold start. Cachee delivers portable SPV verification: a wallet trusts the attested receipt, not the cache that served it.
Bridge latency
Cross-chain bridges replay Bitcoin header validation and merkle proofs per relay. With Cachee, the first relay's verification is reused as a portable proof by every downstream chain — Polygon zkEVM, Solana, and beyond. Replay is eliminated; verification compute compresses to constant per-block.
Proof generation costs
Rollups, BitVM constructions, and zk-bridges spend significant compute generating proofs of Bitcoin state. Cachee caches the intermediate verification objects so the next proof generator starts from an attested baseline instead of cold.
Chain replay costs
Indexers, explorers, and analytics platforms re-process the chain on every restart, schema migration, or new shard. Cachee captures the replay result as a portable, reusable attested checkpoint — a new indexer boots from that checkpoint, never from genesis. Restart cost collapses to a single attestation verification.
Architecture

How portable Bitcoin verification works

A single cached result anchors the source of truth for every downstream verifier. The post-quantum attestation is what makes each cached outcome independently verifiable without trusting Cachee — the H33-74 evidence reference, not the cache, anchors trust — eliminating the per-verifier re-execution tax.

01 / VERIFY ONCE
Verify once
Cachee performs full Bitcoin verification — block validation, merkle reconstruction, signature checks, UTXO updates — on real Bitcoin infrastructure.
02 / ATTEST PERMANENTLY
Attest permanently
The verification result is wrapped in a 74-byte H33-74 post-quantum attestation: ML-DSA + FALCON + SLH-DSA. Three independent hardness assumptions, post-quantum from day one.
03 / REUSE EVERYWHERE
Reuse everywhere
Every downstream system — light client, bridge, indexer, exchange, second full node, rollup, analytics pipeline — reads the attested receipt and independently confirms it.
04 / ELIMINATE
Eliminate duplicated computation
Independent systems verify the attestation instead of re-running block validation, merkle reconstruction, and signature verification. The cost of "trust" collapses from per-consumer to per-attestation.
74 bytes
Attestation size
3 PQ hardness assumptions
< 1µs
Warm verification
UTXO / merkle delivery
99%+
Hit rate
Production read-heavy workloads
Cross-verifier reuse
One attestation, every consumer
How they compose

Cachee + H33-74: three layers, one verifiable outcome

Cachee does not generate attestations. Cachee does not verify them. The architecture works because three independent layers compose: Cachee stores. H33-74 attests. Replay reconstructs.

Cachee stores
A verified outcome — UTXO snapshot, merkle path, header chain — is written to Cachee together with a reference to its H33-74 evidence element. Cachee delivers that outcome at sub-microsecond latency, with evidence-aware retention that preserves expensive-to-regenerate evidence references.
H33-74 attests
The 74-byte post-quantum evidence element is produced by H33 substrate at the moment the original computation runs. Signed by three independent post-quantum primitives (ML-DSA + FALCON + SLH-DSA). Opaque to Cachee.
Replay reconstructs
A downstream consumer fetches the cached outcome plus its H33-74 reference, runs H33's open-source verifier locally, and independently reconstructs the trust path — without trusting Cachee, without re-executing Bitcoin validation, without touching the H33 production pipeline.

This three-layer composition is what “verifiable computation caching” actually means: not Cachee acting as a trust anchor, but Cachee as the high-speed delivery layer for outcomes that H33-74 makes independently verifiable.

Post-quantum economics

Why post-quantum matters for Bitcoin infrastructure

Most blockchain infrastructure still assumes elliptic-curve trust models — secp256k1 signatures, EC-based bridge proofs, EC-anchored attestations. The entire stack inherits a single hardness assumption that the cryptography community expects to break within the working lifetime of the infrastructure being built today.

Cachee's attestations are post-quantum from inception. The 74-byte verification receipt is signed by three independent post-quantum primitives: ML-DSA (lattice), FALCON (NTRU lattice), and SLH-DSA (stateless hash). Breaking the attestation requires breaking three independent mathematical bets simultaneously.

The practical consequence: cached verification receipts remain portable through the industry's migration to PQ cryptography. Infrastructure that ships against Cachee today doesn't need to redo its trust assumptions when quantum computers arrive — or when NIST tightens the standards, or when an EC-side vulnerability is disclosed.

For long-lived Bitcoin infrastructure — custodial systems, settlement layers, regulatory reporting, multi-decade time-locked vaults — post-quantum portability isn't a feature. It's the only honest design choice.

Where it lands first

SPV, Utreexo, bridges, and the long tail of Bitcoin verification

Three concrete surfaces where portable verification pays for itself immediately.

Today
Every consumer re-verifies
  • SPV wallets re-fetch headers and merkle paths per cold start
  • Utreexo accumulator deltas re-computed per consumer
  • Bridge relays replay full block validation per cross-chain message
  • Light clients trust the RPC they happen to be talking to
  • Indexers re-process the chain on every restart
With Cachee
Verify once. Trust everywhere.
  • SPV proofs delivered as attested receipts — sub-microsecond, portable
  • Utreexo deltas cached and reused across every consumer
  • Bridges consume a shared verification proof per block, not per relay
  • Light clients trust the attestation, not the RPC
  • Indexers boot from an attested checkpoint, not genesis

The pattern repeats anywhere Bitcoin state is read more often than it changes: SPV acceleration, UTXO caching, bridge verification, validator performance, light client performance, proof caching, blockchain indexing. Cachee compresses the verification cost from per-consumer to per-attestation — and the attestation is post-quantum, so the cost collapse survives the PQ migration.

Cross-chain reuse

One Bitcoin attestation. Every chain that consumes Bitcoin state.

Bitcoin doesn't live alone. Polygon zkEVM bridges read Bitcoin state. Solana programs settle against Bitcoin checkpoints. Rollups anchor to Bitcoin for finality. Every one of those systems pays the full Bitcoin verification cost today — and pays it per-consumer, per-chain, per-relay.

H33-74's evidence primitive — served by Cachee — is chain-agnostic. The 74-byte receipt produced by the Bitcoin cache layer is the same primitive reused by the Polygon zkEVM and Solana cache layers. A Bitcoin block, verified once on Cachee, is distributed as a portable computation receipt that a Polygon bridge, a Solana program, and a Cosmos zone independently verify — without re-running Bitcoin validation, eliminating duplicated cross-chain compute.

This is what "cross-chain result reuse" actually means. Not a bridge token. Not a wrapped asset. The verification itself is the asset.

Same attestation primitive: ● Bitcoin (this page) Polygon zkEVM → Solana →
Who this is for

Built for the Bitcoin infrastructure layer

If you operate one of these and pay for verification compute repeatedly — Cachee turns that bill into a single attestation.

Exchanges (deposit verification, withdrawal proof-of-burn)
Wallets (SPV sync, balance proofs)
Rollups (L2 settlement, anchored checkpoints)
Bridges (cross-chain Bitcoin state)
Indexers (restart-from-attested-checkpoint)
Block explorers (read-heavy, repeated queries)
Validators & full nodes (shared verification work)
Custodians (long-lived PQ-safe receipts)
Analytics platforms (historical chain re-processing)
Settlement systems (regulatory-grade portable proofs)
RPC providers (serve attested cache, not raw nodes)
Lightning operators (channel-state verification reuse)
Verification economics at scale

What changes when verification becomes a reusable asset

The economics of blockchain infrastructure are dominated by a single hidden line item: the cost of independently re-verifying state that has already been verified. When that cost moves from per-consumer to per-attestation, three things happen.

Marginal cost of a new consumer collapses. Adding a new wallet, bridge, indexer, or analytics integration no longer means adding a new full pass of verification. The new consumer reads the existing attestation. RPC providers stop scaling node fleets linearly with customer count.

Cross-system trust collapses to zero cost. Two systems that don't trust each other — a wallet and an exchange, a bridge and a rollup, an indexer and an explorer — agree on chain state without either operating Bitcoin infrastructure. Both verify the attestation; neither re-executes the verification.

The trust model shifts to post-quantum. Long-lived infrastructure built against Cachee inherits a 74-byte attestation that survives the EC → PQ migration. Custodial systems, settlement layers, and regulatory reporting design verification receipts that are never redone when the cryptographic ground shifts.

This is what we mean by Bitcoin scaling infrastructure. Not bigger blocks. Not faster nodes. Verification that doesn't need to be repeated.

Bitcoin keeps recomputing the same truth millions of times.
Cachee turns verification into a reusable asset.

Pair the Bitcoin cache layer with Polygon zkEVM and Solana — one post-quantum attestation primitive, three live integrations, cross-chain by design.