YEMChain V2 — Private Blockchain as the Key to Stable Money

1. What is YEMChain—and why is it different?

YEMChain is the blockchain on which YEM (Your Everyday Money) runs. But unlike Bitcoin or Ethereum, it is not a public chain where any node can validate transactions. YEMChain is a private, permissioned blockchain — which means: Only authorized validators are allowed to create blocks. No mining, no staking, no anonymous participants.

At first glance, this sounds like a contradiction to the crypto world’s ideal of decentralization. But it is precisely this approach that is the reason why the Asian Development Bank, the Spanish stock exchange infrastructure Iberclear , and dozens of other enterprise organizations rely on the same technology that powers YEMChain V2: Hyperledger Besu.

The question is not “Is the chain decentralized enough?” — but rather: Does it protect users from the problems that public chains produce on a daily basis?

2. The Technology: Hyperledger Besu

Hyperledger Besu is an open-source Ethereum client developed under the umbrella of the Linux Foundation. It is fully EVM-compatible — meaning any smart contract that runs on Ethereum can also be executed on Besu. But Besu goes far beyond a standard Ethereum node.

Open Source & Enterprise Standard

The code is publicly available, maintained by the Hyperledger community, and supported by companies such as ConsenSys, Web3 Labs, and the Linux Foundation. No proprietary vendor lock-in.

EVM Compatibility

Solidity smart contracts, ERC-20 tokens, and all Ethereum tools (Remix, Hardhat, Truffle) work out of the box. The entire Ethereum ecosystem of developer tools is available. 3

Proof of Authority (PoA)

Instead of Proof of Work (Bitcoin) or Proof of Stake (Ethereum), Besu uses IBFT 2.0 or QBFT — consensus algorithms in which known, authorized validators generate blocks. No mining hardware, no energy consumption, no 51% attacks.

Permissioning & Privacy

Besu supports on-chain and off-chain permissioning, private transactions (via Tessera), and granular access control. Who is allowed to see and do what is configurable — not left to chance.

Who uses Besu? The Asian Development Bank for cross-border bond settlement. Iberclear (Grupo BME) for the Spanish securities infrastructure. ConsenSys for enterprise projects worldwide. LACChain for Latin America’s blockchain infrastructure. These aren’t crypto startups — they’re regulated financial institutions that have consciously chosen Hyperledger Besu.

Hyperledger Besu is not an experiment. It is the enterprise standard for permissioned blockchains — and precisely the foundation upon which YEMChain V2 is built.

3. V1 → V2: The Upgrade

YEMChain V1 was a proprietary blockchain implementation — functional, but with the limitations of a custom solution: approximately 25 transactions per second (TPS), limited smart contract capabilities, and an infrastructure not designed to scale for millions of users.

In May 2025, development of V2 began. In July 2025, the migration of all existing wallets and balances began. On August 2, 2025, V1 was permanently shut down. V2 went live.

The leap from 25 to 3,000 TPS is not incremental—it is transformative. By comparison, Visa processes an average of about 1,700 TPS. YEMChain V2 thus exceeds the throughput of the world’s largest payment network.

Particularly noteworthy is the custom ERC-20 smart contract with an integrated batch transfer function. This enables hundreds of transactions to be executed in a single blockchain call — crucial for mass applications such as payroll, dividends, or programmatic payments.

4. Why a private blockchain?

The crypto community has made “decentralized” and “public” synonymous with “good.” But the reality of public blockchains differs from the marketing promise:

MEV Bots & Front-Running

On Ethereum, so-called MEV bots (Maximum Extractable Value) systematically extract value from ordinary users by detecting their transactions in the mempool and inserting themselves ahead of them. An invisible tax on every transaction.

Flash Loan Attacks

Attackers borrow millions in a single transaction, use it to manipulate prices on DEXs, and pay it all back in the same block—at a profit. The victims are other users. On a private chain: impossible.

Wash Trading & Market Manipulation

Studies show that over 70% of trading volume on many crypto exchanges is artificially generated. On a permissioned chain, all participants are verified — wash trading is structurally prevented.

YEMChain solves these problems by design:

Authorized Validators

Only known, verified validators produce blocks. No anonymous miners, no unknown stakers, no attack vectors from malicious nodes.

Net-Zero Carbon

All validators run on servers powered by renewable energy. Proof of Authority requires no energy-intensive mining hardware — power consumption is a fraction of Bitcoin’s or the earlier Ethereum PoW.

Zero Fees, Sub-Second Settlement

No gas fees, no hidden costs. Transactions finalize in under a second — not in minutes (Bitcoin) or 12 seconds (Ethereum).

The question is not “Is the chain open enough?” — but rather: Does it protect users from the systemic risks of public blockchains? YEMChain V2 answers with a yes.

5. The API: 8 Endpoints for Developers

A blockchain without an API is like a database without a query language. YEMChain V2 offers developers a RESTful API with 8 clearly defined endpoints — developed by Steve Hodgkiss (Board Director & API Developer), documented, and available on Testnet.

Authentication: The API uses a three-tier authentication system — API Key, Custom Domain Header, and PerNum (personal identification number). No open access, no unauthenticated requests.

Rate Limiting: 10 requests per minute — sufficient for integration, but effective protection against abuse.

Testnet: A complete test environment is available at testnet.yemscan.com/api/ . Developers can test their integrations before switching to the Mainnet API.

The entire source code for the API integration is available on GitHub at: stephenhodgkiss/yemchain-v2-api-integration . Transparency not only on-chain, but also in the code.

6. The Blockchain Explorer: yemscan.com

Every reputable blockchain needs an explorer — a publicly accessible interface through which anyone can view transactions, blocks, and addresses. YEMChain V2 has a complete blockchain explorer at yemscan.com.

37 Languages

The explorer is available in 37 languages — from English and German to Japanese and Korean, all the way to Arabic and Hindi. This reflects YEM’s global user base.

Full transparency, protected identity

Every transaction is publicly traceable — amount, timestamp, block, hash. But: The owners of the addresses remain anonymous. Transparency of the chain, privacy of the users.

Live Ticker

Current YEM price, 24-hour volume, 7-day volume, and number of holders — all in real time. Current: Holders , 24-hour volume CHF .

7. Comparison: YEMChain V2 vs. other blockchains

To contextualize the technological positioning, here is a direct comparison with the most well-known blockchain networks:

The comparison shows: YEMChain V2 does not compete with public chains for maximum decentralization . It competes for maximum user protection, zero costs, and enterprise-grade reliability . This is a deliberate design choice — and the same one made by the Asian Development Bank, Iberclear, and dozens of other institutions.

While Solana and Polygon offer high TPS figures, they are public chains with all the associated risks: MEV extraction, network outages (Solana experienced several multi-hour downtimes in 2022/2023), and gas fees that rise with network congestion.

Conclusion: Enterprise-grade, not an experiment

The blockchain technology behind YEM is not a whitepaper promise nor a fork of a meme coin. It is Hyperledger Besu — the same open-source Ethereum client maintained by the Linux Foundation, co-developed by ConsenSys, and used by regulated financial institutions worldwide.

With the V2 upgrade, YEMChain has made the leap from a functional but limited V1 to an enterprise-grade blockchain with 3,000 TPS, sub-second settlement, and full EVM compatibility . The API is documented and open. The explorer is available in 37 languages. The source code is available on GitHub .

This doesn’t automatically make YEMChain the best blockchain in the world. But it does make it one whose technological foundation is verifiable, proven, and institutionally recognized. And that’s more than can be said about most crypto projects.

The infrastructure is in place. The question is no longer “Does the technology work?” — but rather: “What will be built on it?”