✔ 100% Money-Back Guarantee on Eligible Items
✔ Prices Displayed in Your Local Currency
✔ Final Price = No Surprise Import Fees
✔ Complimentary Insured Worldwide Shipping on Qualifying Orders
✔ Select Collector & Specialty Pieces May Require Secured Delivery Handling
by Xu Mingxing (Author), Ying Tian (Author)
"The popularization of the Blockchain concept and successful application of Blockchain require an active engagement of the new generation of entrepreneurs and the tolerance and care of supervisors....I hope we can work together to lay a solid foundation for the Blockchain society."--Wang Wei, Chairman, China Finance Museum, from his Foreword
Blockchain should be easy to understand, but the so-called "experts" always explain it in such a complicated way Through 200 original illustrations, this book provides simple explanation of Blockchain technology: what Blockchain is and how it works. This book will help you, understand everything about Blockchain. The Table of Contents includes:- The Origin,
- The Theory,
- The People,
- The Application,
- Th Equipment.
Topics cover include finance, internet management, energy, government, copyright, and more. The Appendix offers additional material, including, "What Is It Like to Be a COOO in a Blockchain Startup?" and "It Might Take 100 Picassos to Help You Understand the Abstract Nature of Blockchain." This is essential reading for everyone in the field, or thinking of getting into the high stakes world of Blockchain.
Author Biography
Star Xu is the president of OK blockchain engineering academy, the vice president of the global blockchain business council in china, the chairman of china block chain application research center, and former CTO of docin.com and development engineer of Yahoo.
Ying Tian is the director of the OK blockchain capital. Previously, Tian served on the board of many listed companies including Yiche.com, Elong and Shanghai Zendai group, before co-founding the Financial Technology Enterprise. Jiyue Li is the chief researcher of OK blockchain engineering academy. Li previously served in many listed companies, such as rong360.com and jrj.com. Jie Liu is the chief scientist of OK blockchain engineering academy, and is the leading expert in computer viruses and network security in China. He is the former national network security adviser to the Chinese government.- ✔ Authenticity Guaranteed — Verified Designer Goods
- ✔ Sourced from Authorized European/U.S. Luxury Distributors
- ✔ Secure Checkout — SSL Encrypted Payments
- ✔ Fast Global Delivery — 3–11 Business Days
- ✔ Easy Returns on Eligible Items
- ✔ 100% Money-Back Guarantee — Full Refund if Not Satisfied
AUTHENTICITY GUARANTEED
Reserved for you — complete your purchase to secure this piece.
OFFICIALLY AUTHORIZED RESELLER
Discover Officially Authorized Authentic Items at STORE7994.com - Certificates Available on Request!
Independently verified for store quality and customer safety.
Trust score: 91/100
All designer items offered by STORE 7994 are sourced from trusted luxury distributors and verified through independent authentication services.
Learn how STORE 7994 authenticates luxury items
Guaranteed Authentic — Includes Brand Documentation & Third-Party Verification Options.
Shipping information
- Free Shipping* on all orders over $300 USD to most countries* Estimated delivery: 2-5 business days Mon-Sat to U.S., CA, EU etc.
- Tracking available: DHL Express
- Store 7994 Shipping policy
- Global delivery in 3–9 business days (location dependent).
- Free Worldwide Shipping $300+. International duties & VAT are calculated by destination country and may be collected upon delivery. UK orders are subject to 20% import VAT upon delivery.

Our innovation isn’t just in the brands we carry — it’s in the way we connect them. From our automation engine that keeps collections globally updated to our commitment to authenticity-first presentation, STORE 7994 exists where timeless design meets modern precision.
Every product we offer is:
Elevated · Intentional · Exclusive · Authentic
STORE 7994 is an authorized reseller of luxury fashion houses. Certificates and proof of authenticity are available to brand owners and partners upon request.
Returns & Refunds
We want you to shop with confidence at STORE 7994. If your purchase does not meet expectations, eligible items may be returned under the conditions below.
Return Eligibility
Items must be unused, unworn, and in original condition with all tags, packaging, and accessories included. Items showing any signs of wear or damage will not be accepted.
Return Window
Return requests must be made within 14 days of delivery.
Return Shipping
Customers are responsible for return shipping costs unless the item is defective, damaged, or incorrect.
Luxury Items
Items valued over $1,000 may be subject to a 7% restocking fee upon approved return.
Non-Returnable Items
For hygiene and product integrity reasons, the following items are final sale once opened or used:
• Underwear
• Fragrances
• Any worn or used items
Made-to-Order Items
Custom-designed products, including STORE 7994 hoodies, are made exclusively for each customer and are final sale. These items are not eligible for return or exchange unless defective or incorrect.
If you receive a defective or incorrect item, please contact us and we will make it right.
International Shipping & Duties
Many of our products ship directly from trusted international partners. Any applicable customs duties or import taxes are calculated at checkout and are non-refundable, even if the item is returned.
Returns & Associated Fees
All approved returns are subject to a $24 return processing fee. For international orders, duties, taxes, and return fees will be deducted from the original payment.
Shipping Policy
Complimentary shipping is offered on orders over $300. Orders below this threshold are subject to standard shipping rates at checkout.
>