The most secure and user-friendly Litecoin wallet — built for the Agentic Era.





No passwords. No OTPs. True self-custody with FIDO2 and deterministic proof.
Most security systems rely on assumptions. Kakr replaces guessing with deterministic proof.
Insecure & Friction-filled
Secure & Seamless
One unified cryptographic trust layer for identity, authentication, payments, and AI agents
Passwordless auth & FIDO2
Next-generation authentication eliminating passwords entirely. Built on FIDO2 standards and zero-knowledge proofs to provide seamless, secure access.
Device hardening protocols
End-to-end encryption and identity management for IoT fleets. Prevent unauthorized access and ensure firmware integrity across millions of devices.
Full product suite & SLAs
Custom implementation, dedicated support, and SLA-backed guarantees for high-scale organizations.
1 of 6
Decentralized identity (DID)
Decentralized identity (DID) management for users and devices. Secure your ecosystem with self-sovereign identity principles, ensuring privacy and compliance by design.
AI Security & Data Privacy
AI-driven security insights and privacy-preserving data computation. Detect anomalies and secure AI agents acting on decentralized networks.
Developer tools & SDKs
Enterprise-grade blockchain infrastructure and developer tools. Access reliable nodes, indexers, and storage solutions with 99.99% uptime guarantees.
Passwordless auth & FIDO2
Next-generation authentication eliminating passwords entirely. Built on FIDO2 standards and zero-knowledge proofs to provide seamless, secure access.
Device hardening protocols
End-to-end encryption and identity management for IoT fleets. Prevent unauthorized access and ensure firmware integrity across millions of devices.
Full product suite & SLAs
Custom implementation, dedicated support, and SLA-backed guarantees for high-scale organizations.
Our team can tailor the PTERI platform to your specific infrastructure needs.
Contact SalesKakr replaces security categories - not just products.
Consolidating fragmented security into a single unified trust protocol.
Trusted by modern security teams
Watch how PTERI simplifies blockchain development
/* npm install web3 */
const Web3 = require('web3');
const web3 = new Web3(
new Web3.providers.HttpProvider(
'https://Your_RPC.provider/v3/YOUR_API_KEY'
)
);
const usdtABI = [/* ABI here */];
const contract = new web3.eth.Contract(usdtABI, 'Contract_Address');
async function transferUSDT(privateKey, toAddress, amount) {
const account = web3.eth.accounts.privateKeyToAccount(privateKey);
const gasPrice = await web3.eth.getGasPrice();
const nonce = await web3.eth.getTransactionCount(account.address);
const tx = {
from: account.address, to: 'Contract_Address',
gasPrice, gas: 21000, nonce,
data: contract.methods.transfer(toAddress, amount).encodeABI(),
};
const signed = await web3.eth.accounts.signTransaction(tx, privateKey);
const hash = await web3.eth.sendSignedTransaction(signed.rawTransaction);
console.log('Hash:', hash);
}Ecosystem
All PTERI capabilities share the same cryptographic authority model.
PTERI
Privacy Trust Engine
Cryptographic carrier layer · Litecoin PoW · MWEB
Authentication
Passwordless & FIDO2
Identity (DID)
Self-sovereign
Payments
Self-custodial LTC
AI Delegation
A2A & MCP2
APIs / BaaS
Developer tools
Enterprise
99.99% SLA
Powered by Litecoin · 100% Uptime Since 2011 · Bitcoin-identical PoWWe combine cutting-edge cryptography with robust infrastructure to deliver a platform that is secure, private, and scalable.
Only you hold the keys. No central honeypot. We ensure your assets remain truly yours through architecture that prioritizes sovereignty.
Prove attributes without exposing sensitive data. Leverage zero-knowledge proofs to validate identity with complete privacy.
Enterprise-grade scale and reliability. Built on infrastructure designed for 99.99% uptime and low-latency global performance.

Battle-tested security with privacy layers. Combining the immutable security of Proof of Work with MimbleWimble Extension Blocks.
Built for A2A, B2B, and B2C — deterministic cryptographic proof.
PTERI replaces fragmented legacy systems with one unified cryptographic protocol purpose-built for autonomous AI agents and secure A2A interactions.
A unified platform that connects devices, users, applications, and enterprises through decentralized identity, blockchain-backed authentication, and high-performance infrastructure.

Security Boundary: PTERI does not claim to protect compromised devices, user-approved malware, or physical coercion. Authority is enforced cryptographically, not behaviorally.
Security & Compliance
Zero-Custody
Keys never leave your control.
ZK-Enhanced Privacy
Zero-knowledge proofs for enhanced privacy infrastructure.
Google Cloud Enterprise Infrastructure
99.99% uptime SLA
Litecoin PoW + MWEB
Battle-tested security