Author: Roland Guirdonan

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Roland Guirdonan

Roland is a Public Relations & Communications guru with an immense passion for the blockchain and crypto industry. A fusion of his expertise and passion led to the dawn of Optimisus in 2020.

Articles by Roland Guirdonan

Russian bank Sber expands support for Ethereum and MetaMask

10 hours ago 1 min read

The biggest bank in Russia, Sber, has said that Ethereum and MetaMask will be supported on its own blockchain. The statement was made at the first ever global gathering of corporate blockchain industry participants, which was hosted by Sber Blockchain Laboratory. The updated features enable smart contracts and decentralized finance (DeFi) on Sber bank’s open-source blockchain. Smart contracts can be freely transferred between the two blockchains thanks to the platform. According to the announcement, “Sber’s blockchain platform lets participants issue tokens and create smart contracts. And integration with the bank’s information systems makes it possible for payments in smart contracts

Apple wants 30% of Ethereum gas fees from Coinbase Wallet

1 day ago 1 min read

Coinbase Wallet stated that it was forced to block NFT transfers on iOS because Apple required 30% of the NFT transfer gas fees. Apple is making negative headlines in the cryptocurrency industry once again for its fee demand. On December 1, Coinbase tweeted that NFT transfers on Coinbase Wallet were blocked on iOS devices. According to the explanation, “the gas fees required to send NFTs must be paid through their In-App Purchase system.” If Coinbase did this, it would be paying Apple’s infamous “Apple tax” as well as 30% of Ethereum gas fees. This was categorically impossible, according to Coinbase,

Ankr DeFi protocol gets hacked

2 days ago 1 min read

The decentralized-finance protocol announced that it is working with exchanges to stop trading of its BNB staking rewards token, aBNBc, immediately. Ankr, a decentralized finance (DeFi) protocol based on BNB Chain, has acknowledged being affected by a multi-million dollar exploit on December 1. On December 2, on-chain security analyst PeckShield appears to have become aware of the attack for the first time. Ankr tweeted an hour after the attack to confirm that the aBNB token had been exploited and that they were working with exchanges to stop trading the compromised token right away. Ankr Reward Bearing Staked BNB (aBNBc), a

Telegram sells $50 million in usernames

3 days ago 1 min read

According to Telegram founder Pavel Durov, the company has sold more than $50 million in usernames. Telegram founder and CEO Pavel Durov claimed that in less than a month, the company sold $50 million in usernames on The Open Network, a blockchain developed by the company. In October, Telegram enabled users to purchase usernames for its app through a blockchain-based platform called Fragment. The platform allows interested parties to purchase available usernames and secure ownership on its “The Open Network” (TON) blockchain. When purchasing a domain name, users pay with the TON cryptocurrency, the network’s native asset. Fragment sales have

South Korea issues metaverse ethical guidelines

3 days ago 1 min read

At a ministerial meeting on November 28, South Korea’s Ministry of Science and ICT issued a guideline of core ethical principles for metaverse application participants, which includes users and developers. According to the science ministry, its metaverse guidelines are based on three core values: genuine identity, safe experience, and long-term prosperity. To support its core values, the guidelines identify eight principles: authenticity, autonomy, reciprocity, respect for privacy, fairness, data protection, inclusiveness, and future responsibility. Although the guidelines are not legally binding, the science ministry encouraged metaverse participants to consult them. According to the science ministry, various issues have arisen in

Will TRX Hit $0.10 in 2023?

4 days ago 6 mins read

In this TRON (TRX) price prediction 2022, we examine the future movement of the crypto using statistics, price patterns, RSI, RVOL, and other data about TRX. What is TRON (TRX)? TRON (TRX) is the TRON blockchain’s native crypto coin. Justin Sun founded TRON, which is managed by the TRON Foundation. TRX was first introduced in 2017 as an ERC-20 token on the Ethereum blockchain. TRX migrated to its native blockchain later in 2018. The delegated proof-of-stake (DPoS) consensus mechanism underpins the TRON blockchain. TRON (TRX) is a blockchain governance token that grants voting rights. TRON (TRX) Price Prediction 2022 TRON

Binance enters Japanese market through the acquisition of JFSA-registered Sakura Exchange BitCoin

4 days ago 1 min read

Binance has announced the acquisition of 100% of Sakura Exchange BitCoin (SEBC), a Japanese-registered cryptocurrency exchange service provider. The world’s leading blockchain ecosystem and cryptocurrency infrastructure provider announced via a blog post that it enters the Japanese market as a Japan Financial Services Agency (JFSA) regulated entity as a result of this acquisition. The transaction’s terms were, however, not disclosed. Furthermore, Binance stated that it aims to support a responsible global environment for cryptos by providing Japanese-regulated services through SEBC. Binance has received regulatory approvals or authorizations in the following countries: France, Italy, Spain, Bahrain, Abu Dhabi, Dubai, New Zealand,

SEBA Bank expands to Hong Kong

4 days ago 1 min read

SEBA Bank, a Swiss crypto bank, announced the opening of a Hong Kong office on Wednesday to serve global institutional clients as part of its Asia-Pacific expansion. SEBA’s Hong Kong office will provide consultancy services and market research, as well as seek strategic partners for its head office in Zug, Switzerland, according to a press release from the Swiss-licensed crypto bank. Hong Kong is cementing its position as a global leader in cryptocurrencies, because of its significant pedigree as an international financial center, as well as an innovative and progressive regulatory approach to cryptocurrencies, according to Franz Bergmueller, CEO of

Huobi and Tron collaborate to launch the world’s first national token, Dominica Coin

4 days ago 1 min read

Founder of the Tron blockchain, Justin Sun, revealed that the Tron DAO, DMC Labs, and crypto exchange Huobi Global have joined forces to jointly launch the Dominica Coin (DMC), the first national token ever. It is remarkable that the DMC token, which is authorized by the Commonwealth of Dominica, is the first national token ever issued in the world. The token will serve as a portal to the metaverse, according to Huobi’s announcement. For that, DMC offers a decentralized identifier (DID) based on the Tron network that will be introduced “in due course.” Huobi will subsequently support the Dominica DID

BlockFi comes at SBF’s Robinhood shares with a lawsuit

5 days ago 1 min read

Sam Bankman-Fried or SBF is alleged to have pledged Robinhood shares to the business as collateral in a lawsuit filed by crypto lender BlockFi, according to the Financial Times. Approximately 56.2 million shares, or 7.6%, of Robinhood Class A common stock were owned by Bankman-Fried, according to a filing with the Securities and Exchange Commission. Documents reveal that these Robinhood shares are now at the center of a lawsuit brought by BlockFi just hours after the lender requested bankruptcy protection in the same New Jersey court. SBF’s Emergent Fidelity Technologies and ED&F Man Capital Markets are named in the lawsuit

FTX Promises to keep paying Non-US employees and contractors

5 days ago 1 min read

FTX, the demise crypto exchange is still struggling to stay afloat. Its most recent action was to reassure some employees and subsidiaries that their salaries would still be paid. On November 28, FTX Trading Ltd. (the parent company of announced that it was “resuming ordinary course salary and benefit payment.” It went on to say that this included 101 more affiliated companies, also known as debtors. Regular course payments would be reinstated for global employees and “certain non-U.S. contractors and service providers.” The relocation has no impact on any FTX.US employees or businesses. According to John Ray, the company’s

BlockFi, a cryptocurrency lender, declares bankruptcy

5 days ago 1 min read

BlockFi is the latest domino to fall in the aftermath of FTX, one of the world’s largest cryptocurrency exchanges, which had recently propped up BlockFi with a loan and had an option to buy the company. FTX is currently under investigation by multiple US federal agencies for mismanaging customer deposits and sending money to its hedge fund, Alameda Research, to place risky bets on its behalf. This month, FTX and Alameda Research both declared bankruptcy. BlockFi’s financial advisor, Mark Renzi of Berkeley Research Group, announced the lender’s own Chapter 11 bankruptcy on November 28 in New Jersey in a press