🔒 Cryptography

Blockchain Consensus — Proof-of-Work Mining & Forks (2D)New📱Run a real toy proof-of-work mining loop: search for a nonce against an adjustable… Post-Quantum Cryptography: Key-Size vs. Security Lab (2D)New📱Computes live classical and quantum bit-security for RSA, ECC and ML-KEM keys and shows when… Stack Machine (2D): How Smart Contracts ExecuteNew📱A 2D canvas view of a stack-based virtual machine executing PUSH, ADD, MUL, DUP, SWAP and… Garbled Circuits: Yao's Secure Two-Party Computation (2D)New📱2D garbled-circuit lab: real per-wire keys, a hash-based cipher, and a shuffled truth table… Elliptic Curve Cryptography 2D: Finite-Field Point Addition & ECDHNew📱A flat 2D finite-field elliptic curve lab: real modular point addition and doubling on y² =… Caesar & Vigenère Ciphers 2D: Frequency Analysis & Kasiski AttackNew📱A flat 2D canvas cipher lab: real Caesar shift and Vigenère key-repetition… Diffie-Hellman Key Exchange 2D (Live Discrete-Log Attack)New📱A flat 2D Diffie-Hellman simulator: real BigInt modular exponentiation lets Alice and Bob… AES Round Step-Through (2D)New📱Step through real AES-128 encryption one operation at a time on a flat 4x4 byte-state grid:… Kyber-Style Lattice Encryption 2D (Module-LWE Ring)New📱Drag to orbit a 2D mod-q residue ring, encrypt a message bit with a Learning-With-Errors… Oblivious Transfer Protocol Wheel (2D)New📱Interactive 2D walkthrough of 1-out-of-2 Oblivious Transfer: a packet-flow diagram and a… Homomorphic Vote Tallying (2D): Paillier Ciphertext RingNew📱A 2D ring-and-strip view of a real Paillier cryptosystem: cast encrypted Yes/No ballots,… CSIDH Ring Walk 2D: Isogeny Key Exchange Cross-SectionNew📱2D companion to the CSIDH isogeny key-exchange simulator: watch Alice and Bob each walk six… Two-Time Pad: How Nonce Reuse Breaks Stream Cipher Encryption (2D)New📱2D companion to the 3D two-time-pad simulator: the same nonce-reuse attack rendered as a… Feistel Network 2D: Circuit & Avalanche MatrixNew📱An interactive 2D Feistel-cipher circuit: watch a 16-bit block flow round by round through… Block Cipher Modes 2D: ECB vs CBC Grid & AvalancheNew📱A flat 2D canvas dashboard that encrypts a resizable grid of plaintext blocks under ECB and… NTT: Fast Polynomial Multiplication for Lattice CryptoNew📱Watch the real Number Theoretic Transform multiply two polynomials in the ring used by… Trust Chain VerificationNew📱Follow a verification pulse as it travels from leaf to root in a linear chain, halting at… Trust Chain VerificationNew📱Watch trust propagate rank-by-rank across all branches of a full trust tree simultaneously;… Quantum Key DistributionNew📱Simulate the BB84 protocol where Alice and Bob choose photon polarization bases to establish… Quantum Key DistributionNew📱Visualize photons flying down a fiber in real-time, with continuous instances representing… Block Cipher Modes: ECB vs CBCNew📱Encrypt a grid of plaintext blocks under ECB and CBC modes with a toy block cipher and watch… Feistel Network: The Structure Behind DESNew📱An interactive 3D Feistel-cipher block: split a 16-bit block into two halves, run it through… Isogeny-Based Key Exchange (CSIDH)New📱Walk a commutative isogeny graph between supersingular elliptic curves the way CSIDH does:… Secure E-Voting: Homomorphic Vote TallyingNew📱Cast encrypted Yes/No ballots into a real Paillier cryptosystem and watch the election… Oblivious Transfer: One Secret, Never Knowing WhichNew📱Interactive 3D walkthrough of RSA-trapdoor 1-out-of-2 Oblivious Transfer: watch a receiver… NTT: Fast Polynomial Multiplication for Lattice CryptoNew📱Watch the real Number Theoretic Transform multiply two polynomials in the ring used by… Kyber-Style Lattice Encryption (Module-LWE)New📱Encrypt a message bit onto a mod-q ring using a Learning-With-Errors secret key, then… Two-Time Pad: How Nonce Reuse Breaks Stream Cipher EncryptionNew📱Interactive 3D demonstration of the two-time pad attack: reuse a stream-cipher keystream… Elliptic Curve Cryptography: Point Ops & ECDHNew📱Interactive 3D simulation of elliptic-curve point addition and doubling on a real-number… Symmetric-Key Avalanche Lab: Substitution-Permutation NetworksNew📱Two 4x4 byte blocks -- one original, one with a single input bit flipped -- run through… RSA Trapdoor: Modular Exponentiation & the Factoring WallNew📱Pick two primes, watch RSA build a public/private keypair, then trace encryption and… Functional Encryption: Decrypt Only f(x), Never xNew📱Encrypt a 10-record dataset and mint a functional key sk_f bound to one function (sum,… Digital Signature Mechanism SimulatorNew📱Hash a message into a 3D fingerprint, encrypt it with a private key to produce a signature,… Blockchain and Crypto for Honey TraceabilityNew📱A 3D chain-of-blocks model of a honey supply chain, where each hand-off gets hashed into a… Asymmetric Encryption: RSA & ECC Key Exchange SimulatorNew📱Watch a public/private key pair lock and unlock a message travelling between Alice and Bob… Attribute-Based Encryption: Access Policy Tree SimulatorNew📱Toggle a user's attributes against an AND, OR or k-of-n threshold access policy and watch… Blockchain Renewable Energy CertificatesNew📱Renewable generators mint energy certificates that a distributed ledger of validator nodes… Public-Key Exchange NetworkNew📱Nodes exchange public keys and establish secure channels across the network — watch how key… Blockchain SimulatorNew📱This simulation models a blockchain system, illustrating the core concepts of mining,… Blockchain Governance SimulationNew📱This simulation models the governance structures of blockchain networks. It demonstrates how… Interactive 3D Engine - Blockchain IntegrationNew📱This simulation demonstrates the integration of blockchain technology within a 3D engine… ⛓️ Blockchain SimulationNew📱This simulation provides a foundational exploration of blockchain technology. It likely… Blockchain Network Dynamics SimulationNew📱Explore the creation and propagation of blocks within a virtual blockchain network,… Advanced Distributed Ledger SimulationNew📱This advanced simulation models the complex dynamics of a distributed ledger network,… Advanced Blockchain Simulator ModelNew📱Dive deep into the mechanics of blockchain by dynamically adjusting parameters such as block… Advanced Technology Blockchain SimulationNew📱This simulation dives into the core mechanics of blockchain technology, allowing you to… Blockchain Blockchain Consensus SimulationNew📱This simulation explores the mechanics of consensus algorithms used in blockchain… Blockchain Blockchain Development SimulationNew📱This simulation demonstrates the development process of a blockchain application, covering… Blockchain Blockchain Governance SimulationNew📱This simulation models the governance structures within a decentralized blockchain network.… Blockchain Blockchain Interoperability SimulationNew📱This simulation focuses on the challenges of interoperability between different blockchain… Blockchain Blockchain Scalability SimulationNew📱This simulation investigates the scalability issues inherent in blockchain technology. Users… Blockchain Blockchain Security SimulationNew📱This simulation demonstrates the security vulnerabilities and mitigation strategies… Blockchain Consensus Mechanisms - Comprehensive GuideNew📱This simulation demonstrates how blockchain consensus mechanisms, such as Proof-of-Work and… Blockchain Dao SimulationNew📱This simulation models a Decentralized Autonomous Organization (DAO) on a blockchain. Users… Blockchain Defi SimulationNew📱This simulation explores Decentralized Finance (DeFi) applications built on blockchain… Blockchain FinanceNew📱This simulation demonstrates how blockchain technology is transforming traditional financial… Blockchain Nft SimulationNew📱This simulation illustrates the creation, trading, and ownership of Non-Fungible Tokens… Distributed Ledger Technology ModelNew📱Witness the formation of a digital ledger through simulated transactions, manipulating… Blockchain Smart Contracts - Comprehensive GuideNew📱This simulation provides an interactive introduction to blockchain smart contracts. Users… Blockchain Smart Contracts SimulationNew📱This simulation allows users to experiment with building and deploying blockchain smart… Communication Advanced Blockchain Communication SimulationNew📱This simulation explores the application of blockchain technology to secure and… Cryptocurrency Blockchain Simulator — Distributed Ledger, Consensus Mechanisms, and Digital CurrencyNew📱This simulation models the core components of a blockchain network, illustrating how… Technology Advanced Blockchain SimulationNew📱This simulation allows you to explore the core mechanics of a technologically advanced… Technology Blockchain SimulationNew📱This simulation allows you to explore the core principles of blockchain technology,… 3D Encryption Rsa VisualizationNew📱Visualize the process of RSA encryption through this 3D simulation. Observe how keys are… Advanced Cryptography - Comprehensive GuideNew📱This simulation provides an in-depth exploration of cryptographic algorithms and techniques,… Cryptography SimulatorNew📱This simulation allows you to explore core cryptographic techniques like encryption and… Blockchain Network SimulationNew📱This simulation explores the fundamental principles behind blockchain technology, including… Cryptography Basics — Symmetric, Asymmetric, and HashesNew📱This simulation introduces the fundamental concepts of cryptography by differentiating… Cryptography SimulationNew📱Delve into the world of cryptography with this interactive simulation. Users will learn… Cybersecurity Cryptography SimulatorNew📱This simulation demonstrates the principles of cryptography, focusing on how encryption… Quantum Advanced Quantum Cryptography Advanced SimulationNew📱This simulation demonstrates the principles of quantum cryptography, specifically quantum… Blockchain Consensus NetworkNew📱This simulation models a blockchain consensus network, demonstrating how distributed ledger… Stack Machine: How Smart Contracts ExecuteNew📱Interactive 3D lab where bytecode opcodes execute one at a time on a stack-based virtual… AES: The Advanced Encryption StandardNew📱Explore how AES, the symmetric block cipher trusted by governments and banks worldwide,… The One-Time Pad: The Only Provably Unbreakable CipherNew📱Explore how the one-time pad achieves mathematically perfect secrecy by combining plaintext… SHA-256: The Hash Function Securing Bitcoin and the WebNew📱Explore SHA-256, the cryptographic hash function behind Bitcoin mining, password storage,… The TLS Handshake: How Your Browser Sets Up a Secure ConnectionNew📱See exactly what happens in the milliseconds before an https page loads: ClientHello,… Shamir's Secret Sharing: Splitting a Secret So No Single Person Can Reconstruct It AloneNew📱Explore Adi Shamir's 1979 secret-sharing scheme, where a polynomial curve splits a secret… Homomorphic Encryption: Computing on Data Without Ever Seeing ItNew📱Explore how homomorphic encryption lets computers process encrypted data without ever… Post-Quantum Cryptography: Preparing Encryption for the Quantum Computing ThreatNew📱Explore why RSA and elliptic-curve encryption will fall to quantum computers, what… Ring Signatures: Proving You're One of a Group Without Saying WhoNew📱Explore how ring signatures let someone prove a message was signed by a member of a chosen… Blind Signatures: Getting Something Signed Without Letting the Signer See ItNew📱Explore how RSA blind signatures let an authority cryptographically sign a message without… Secure Multiparty Computation: Computing a Shared Answer Without Sharing Your SecretsNew📱Explore secure multiparty computation (MPC), the cryptographic technique that lets several… Elliptic Curve Diffie-Hellman: Small Keys, Strong SecretsNew📱Explore ECDH key exchange, where two parties multiply elliptic curve points by private… Garbled Circuits: Yao's Secure Two-Party ComputationNew📱Explore how Yao's garbled circuit protocol lets two parties jointly compute a function over… Path ORAM: Hiding Memory Access PatternsNew📱See how Path ORAM arranges encrypted data blocks in a binary tree and reshuffles them on… Merkle Tree — Hash Trees & ProofsNew📱Build a Merkle tree by hashing data blocks pairwise up to a single root. Change a leaf and… Hash Functions — Avalanche & CollisionsNew📱Explore what makes a cryptographic hash strong: flip one input bit and watch ~half the… Blockchain ConsensusNew📱Proof-of-Work mining and longest-chain consensus: miners race to beat the difficulty target,… Caesar & Vigenère Ciphers📱Encrypt and decrypt messages with classical substitution ciphers. Frequency analysis attack… RSA Key Exchange📱Step through RSA: choose two primes, compute n and φ(n), find e and d. Watch a message… Diffie-Hellman Key Exchange📱Two parties establish a shared secret over an insecure channel. The colour-mixing analogy… Elliptic Curve Cryptography📱Visualise point addition on an elliptic curve over a real field. See how scalar…