BB84 @bb84sh
Post-quantum wallets, identities and randomness for Solana, powered by real quantum hardware. bb84.sh Joined October 2026-
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🔐 Post-quantum accounts on Solana. 🗂️ Key table: each Falcon-512 key is stored once on-chain, with its registration slot and a qproof receipt. That's public proof the key existed then. 🏦 Vault: withdraw with your normal Ed25519 key or a Falcon signature. 🔒 Q-Day switch: irreversible. Once on, only Falcon can move funds, even if your Ed25519 key is stolen. ⚡ Smart account: one Falcon signature runs any Solana instructions (SOL, SPL tokens, other programs) in one tx. A relayer pays the fee. ~298k CU per check, with blueshift's solana-falcon512 verifier. ⚛️ We run jobs on real quantum computers through IBM Quantum (ibm_fez) and Amazon Braket (Rigetti Cepheus-1-108Q), with receipts on Solana. IQM Garnet/Emerald and IonQ Forte are next.
Good for Falcon-512 Signatures. github.com/bb84sh/solana-…
our latest vectorization SIMD design for solana speeds up onchain int8 mlp inference by 232x, keccak-f1600 by 28x, falcon-512 verify by 25x ONCHAIN AI IS HERE
⚛️ Real quantum hardware Powered by BB84. 8 QPU families. One interface. 🔹 IBM Quantum: 6 machines, 120–156 qubits 🔹 Rigetti Cepheus: 107 qubits 🔹 IQM Garnet + Emerald: 20 / 54 qubits 🔹 IonQ Forte: 36 trapped-ion qubits 🔹 AQT IBEX Q1: 12 qubits 🔹 QuEra Aquila: 256 neutral atoms Superconducting. Trapped ion. Neutral atom. Build on real QPUs today 👇 bb84.sh
⚛️ Quantum computers run the circuit. Solana checks the answer. We built solana-qsim: a quantum circuit simulator that runs inside a Solana program and scores real QPU results on-chain. 🧪 The demo (devnet): • 5-qubit GHZ circuit, 1,024 shots on Rigetti Cepheus via Amazon Braket • Receipt on Solana: job, circuit hash, counts hash • Our program re-runs the circuit itself and scores the hardware's counts 📊 Result: fidelity 0.70 · XEB 10.2 (ideal 15, random noise ≈ 0) · ~26k compute units 🛡️ Forged "perfect" counts sent straight to the program → rejected on-chain. Random noise posing as a QPU result scores 0.07. Up to 11 qubits in one transaction, 20 across transactions. It's a classical simulation that checks QPU results Code (MIT), with byte-identical builds of the deployed programs: github.com/bb84sh/solana-… Scoring tx: explorer.solana.com/tx/ynsk9TXEjpn…
A Solana program that simulates quantum circuits on-chain: it checked a real Rigetti quantum computer's result against its receipt and scored it (fidelity 0.70), and rejects forged results. 11 qubits per transaction.
Hi Toly, We ran a circuit on IBM's ibm_fez QPU and settled the result on Solana devnet. Two Anchor programs: • qproof stores a receipt per QPU job: job ID hash, device, circuit hash and result hash. • qentropy is ORE-style commit-reveal randomness. It uses a hash chain seeded from the QPU bits, mixed with a SlotHashes value at reveal, with a slashable provider stake. Any program can read the final value. A public challenge (block hash + NIST beacon) set the circuit angle before the run. A verifier checks it all: 23/23. x.com/bb84sh/status/…
Our first quantum-seeded Solana transaction ⚛️ IBM's 156-qubit ibm_fez → 4,096 quantum bits → receipt + random value on Solana devnet. A public challenge (Solana block hash + NIST beacon) set the circuit before the run: predicted 63.0% ones, measured 62.1%. 2s of QPU time.
Our first quantum-seeded Solana transaction ⚛️ IBM's 156-qubit ibm_fez → 4,096 quantum bits → receipt + random value on Solana devnet. A public challenge (Solana block hash + NIST beacon) set the circuit before the run: predicted 63.0% ones, measured 62.1%. 2s of QPU time. 23/23 public checks pass. Challenge: explorer.solana.com/tx/43FqAcNXSWi… QPU receipt: explorer.solana.com/tx/389gHTUkmVz… Final value: explorer.solana.com/tx/5XBW7ZaDvNy…
@cavemanloverboy nice. another use case: post-quantum signature verification (ml-dsa / falcon) is mostly ntt math. would 32-bit lanes and a mulmod op be in scope?
Building bb84 ⚛️ Our first Solana transaction seeded by a real quantum computer is in IBM Quantum's queue right now. A public challenge (Solana block hash + NIST beacon) is already on-chain. The QPU's bits, its receipt and a random value land on Solana next, verifiable by anyone. Quantum-born. Quantum-proof.
Quantum Glow + BB84 SDK
What would Solana’s consensus look like in a post-quantum world? Meet Quantumglow: a proposed adaptation of Alpenglow that aims to protect consensus while preserving fast finality. @jacobvcreech and @qkniep explain how it works. Full video below👇
Solana finality: ~12.8s → ~150ms with Alpenglow ⚡ What it means for bb84: • One-time keys rotate safely after every spend • Multi-tx PQ signatures settle near-instantly • Quantum randomness commits finalize faster Fast and quantum-proof. ⚛️ bb84.sh
🚨JUST IN: @solana Transactions finality just got 85x faster with the Alpenglow consensus upgrade.
First Quantum Proof Tx on Solana. Experimental due to low Size.
Introducing bb84 ⚛️ Quantum randomness from real quantum computers + post-quantum wallets for Solana & EVM. Named after BB84, the first quantum cryptography protocol (1984). Quantum-born. Quantum-proof. bb84.sh
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