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What is Shentu?

Shentu (CTK), formerly known as CertiK Chain, is a security-first Layer-1 blockchain and decentralized oracle network purpose-built to verify the safety of smart contracts, DeFi protocols, and Web3 infrastructure. The project was founded in 2018 by Professor Ronghui Gu of Columbia University and Professor Zhong Shao of Yale University, two computer scientists with deep backgrounds in formal verification and operating-system security.

Originally launched as CertiK, the network rebranded to Shentu in 2021 to distinguish the public-chain and token ecosystem from CertiK's centralized auditing business, though both remain closely aligned. The mainnet runs on a Delegated Proof-of-Stake consensus based on the Cosmos SDK and Tendermint engine, giving Shentu fast finality, IBC interoperability, and a validator-driven governance model funded by the CTK token.

At the heart of the ecosystem sits the Security Oracle, an on-chain service that aggregates real-time security scores from a decentralized network of operators, allowing smart contracts to query the safety of an address or protocol before executing a transaction. Complementing this is the DeepSEA programming language, a research project co-developed with Columbia, Yale, and funding support from the Ethereum Foundation and IBM, which compiles directly into Coq proofs so developers can mathematically verify contract behavior.

The CertiK Skynet platform extends monitoring off-chain, using machine learning to track on-chain activity, wallet movements, and social signals for thousands of listed projects, while the public-facing CertiK Leaderboard has become one of the most cited project-ranking resources in crypto. Shentu has audited a significant share of the top DeFi and exchange ecosystems, including work with Binance Smart Chain, Polygon, The Graph, Aave, PancakeSwap, and Terra, though the firm also drew scrutiny following the collapse of Terra/LUNA in 2022 and the Ronin bridge exploit, prompting the team to expand incident-response offerings and Skynet coverage.

CTK was listed on Binance through the Binance Launchpool in 2020, making it one of the earlier security-focused tokens to receive first-tier exchange distribution, and it later added support on KuCoin, Gate.io. The ecosystem treasury supports a community-governed grants program, an on-chain bug bounty framework, and staking rewards distributed to validators who help secure the Shentu Chain and the Security Oracle network.

Partnerships extend beyond crypto-native firms: CertiK has collaborated with major traditional institutions on security research, published vulnerability disclosures with Amazon Web Services and Microsoft, and contributed to academic venues on formal methods. Today the ecosystem is positioned at the intersection of blockchain auditing, on-chain risk scoring, and verifiable computing, with Shentu Chain acting as the settlement layer that records attestations, bounty payouts, and oracle responses.

While competition has intensified from newer auditing firms and automated scanners like Slither and MythX, Shentu's combination of academic credibility, a live public chain, and the CertiK brand keeps it among the most recognized names in Web3 security. Investors tracking CTK typically watch audit deal-flow, Skynet adoption metrics, and validator participation as leading indicators of network health alongside broader crypto market cycles.

Key Features of Shentu

• Decentralized Security Oracle: Shentu's Security Oracle is a first-of-its-kind on-chain service that returns real-time safety scores for smart contract addresses. Operators stake CTK to provide security attestations, and DApps can query these scores before routing user funds, creating a trust-minimized safety layer.
• DeepSEA Formal Verification: DeepSEA is a domain-specific language co-developed with Columbia and Yale that compiles smart contracts into machine-checkable Coq proofs. This allows developers to mathematically prove contract correctness rather than relying solely on testing, a capability rarely found in competing ecosystems.
• Skynet AI Monitoring: Skynet continuously tracks thousands of tokens and protocols using machine learning to detect anomalous on-chain behavior, governance changes, and wallet movements. Alerts are surfaced on the public CertiK Leaderboard, giving users an always-on second opinion on project risk.
• Cosmos SDK Architecture: Shentu Chain is built on the Cosmos SDK with Tendermint consensus, providing sub-six-second block times and IBC compatibility with the wider Cosmos ecosystem. This gives developers a familiar toolkit while allowing Shentu to interoperate with Osmosis, Cosmos Hub, and other IBC-enabled chains.
• On-Chain Bug Bounty: The network hosts a native bug bounty module where projects can escrow CTK or other assets and whitehat researchers can claim rewards through verifiable on-chain disclosure. This replaces trust-heavy Web2 bounty platforms with transparent, automated settlement.

Shentu Use Cases

• Smart Contract Auditing: Protocols use Shentu and CertiK's audit services before mainnet launch to identify reentrancy, access-control, and economic-logic vulnerabilities. Completed audits are published on-chain and referenced by exchanges and insurers as a baseline diligence requirement.
• DeFi Risk Scoring: Wallets, aggregators, and DEX front-ends integrate Security Oracle scores to warn users before they interact with flagged contracts. This is particularly valuable for token-swap interfaces where users routinely approve unknown addresses.
• Verifiable Smart Contracts: Teams building high-value financial primitives use DeepSEA to produce formally verified contracts for lending, stablecoin, and bridge logic. Mathematical proofs complement traditional audits and reduce the attack surface of code handling billions in TVL.
• Validator Staking Rewards: CTK holders delegate tokens to validators securing Shentu Chain and earn a share of block rewards and transaction fees. Staking also powers governance, giving delegators a voice in parameter changes and grant allocations.
• Whitehat Bounty Programs: Projects post bounties denominated in CTK on Shentu's on-chain bounty module, and researchers submit encrypted vulnerability reports that are settled transparently. This aligns incentives between protocols and the security community without relying on centralized intermediaries.

Shentu Tokenomics

Total Supply

CTK launched with an initial supply of approximately 100 million tokens, expandable through protocol-level staking inflation. The exact maximum supply evolves with governance-approved emission and is not strictly capped.

Circulating

Circulating supply has grown steadily since the 2020 Binance Launchpool distribution as team, foundation, and ecosystem allocations unlocked on their vesting schedules.

Utility

CTK is used to pay gas and oracle query fees on Shentu Chain, stake with validators for network security, collateralize Security Oracle operators, and vote in on-chain governance. It also denominates bug bounties and grant disbursements from the community treasury.

Emission

New CTK enters circulation through block rewards paid to validators and delegators under a Cosmos-style inflation model, typically targeting a range that adjusts with staking participation. Remaining foundation, team, and ecosystem allocations unlock gradually per the original issuance schedule.

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