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OTC Deals

OTCbid - Bitcoin Transactions Without Internet? ZeroSync and Blockstream Make It Possible with Satellites in Space – Here's How..." Bitcoin scalability, interoperability, and privacy."



" Bitcoin infrastructure firm Blockstream has partnered with ZeroSync Association, a non-profit organization based in Switzerland, to broadcast Bitcoin zero-knowledge proofs via Blockstream’s satellite.

Courtesy of this partnership, Bitcoin nodes will be able to sync from any location on earth, including those with poor internet coverage, in fractions of a second instead of hours or days. 

“We’re excited to announce today that Adam Back, CEO of Blockstream, agreed to partner with ZeroSync to broadcast ZK chain proofs via Blockstream Satellite!" ZeroSync said in a recent Tweet. 

In line with the latest development, ZeroSync intends to carry out a trial broadcast involving Blockstream’s satellite hardware before the end of the year.

Blockstream’s satellite network provides free global access to Bitcoin by broadcasting the blockchain to the entire planet, including areas with unreliable internet coverage.

Created by three German computer scientists, ZeroSync Association is a newly-formed nonprofit that intends to help scale Bitcoin by using zero-knowledge proofs (zk-proofs), a cryptographic technique that has exploded in popularity on rival chain Ethereum.

"ZeroSync is spearheading the development of proof systems for Bitcoin," the company's website reads. "Applying groundbreaking cryptography, we are pioneering the future of Bitcoin scalability, interoperability, and privacy."

. - Read More

Source: CRYPTOnews


-10% Gross, -5% Net, USDT/BTC, UK


100K BTC with R&E @ -10% Gross, -5% Net, USDT/BTC, UK - Look For Buyer

(Seller : SPHOE...VIRD-GAIL)

Post: 4.4.23


  • Seller is selling 100K BTC with R&E @ -10% gross, -5% net

  • Buyer = 5%

  • Buyerside = 2.5%

  • Sellerside = 2.5%​​ (closed)



  • BTC Provider accepts 

  • - Private wallets only, no exchange wallets

  • - USDT  BTC Swap

  • - Preferred for USDT wallet:

  •    1) TRC20 or ERC20 

  •    2) < 100 transactions

  •    3) Minimum $30M balance


  • Buyer also provides their USDT wallet address showing at least $30M balance

  • Seller is willing to provide their BTC wallet address as well 

  • For Handshake – -  ( USDT First / BTC Next )

  • USDT Provider sends $10 from a wallet with min 30M USDT and < 100 Transactions to BTC Provider USDT receiving wallet

  • BTC Provider conducts forensics 

  • BTC Provider sends Commercial Invoice

  • USDT Provider Signs Commercial Invoice with full KYC. (including Company address / phone / email etc ) 

  • BTC Provider Countersigns Commercial Invoice, returns to USDT Provider and starts the transaction at the agreed time via live Zoom 

  • BTC Provider Returns Handshake from a wallet  with min 1000 BTC and < 100 Transactions, an amount of 100 BTC to $50M worth of BTC 

  • USDT Provider conducts forensics

  • For Tranches  -  ( BTC First / USDT Next )   ( on Zoom ) 

  • On Satisfactory DD on USDT Provider , then BTC Provider will send BTC first for each Tranche  , which means BTC First Then USDT Next  

  • BTC Provider delivers Next tranche BTC  ( Ref Tranche Schedule)

  • USDT Provider delivers payment for BTC via USDT 

  • BTC Provider will pay Consultant Fees immediately after each and every tranche as per Exhibit A providing confirmation of receipt until contract is exhausted.

  • The transactions will continue in this same manner for each and every tranche, estimating up to XXX tranches per day will initially take place, with each tranche approximately 30 minutes apart


Interested parties should contact :

Modern Bridge


-10% Gross, -5% Net, USDT/BTC, UK


Buyer Mandate Only

Email :

DM Raymond Chai (on Linkedin)

Telegram: +1 (786) 632 8577

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