That seems highly unlikely. Primarily because the price of gold doesn't fluctuate like the price of Bitcoin does, so the chance of a big profit is no longer a possibility for them.

That doesn't make any sense at all. Dorsey is just a fan of bitcoin, and wants to see it prosper. Therefore, he is talking highly of it.
There is literally no bad side to this, everyone benefits.

If you are talking about linking an old blockhain to a new one, then there are a couple of things you should be aware of.

Primarily, expect the old one to die, because of the massive migration of people form the old one to the new one.
Additionally, it would just end up as starting from the UTXOs, which i don't know if you really want.

Taking into consideration the potential that cryptos and blockchains have shown, it's safe to say that they aren't going anywhere any time soon.

*Problems regarding online Gambling:


Despite the significant growth of the online gambling industry, several on-going issues have made some countries reluctant to legalize online gambling. Additionally, a large number of people are deterred from trying out betting games due to problems with trust, security and reliability.


*Problems for players:


-Withheld bonuses

-Account restrictions due to location

-Hidden fees: casinos charge a fee for withdrawals

-Withdrawal restrictions

-Limits and slow processing speed of payouts Risk of fraud



*Problems of service providers:


-High entry fees for the game developers

-High costs of running an online casino

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-Slow server running speed and frequent downtime events

-Lack of transparency and credibility

-Lack of support of blockchain services/protocols


*Our Solution:


The Faireum team is currently developing a platform that will create a paradigm shift in the online gambling industry and solve all aforementioned issues. Faireum will fully implement and run a blockchain-based ecosystem with its own set of protocols, where developers can publish their own Dapps with custom features to meet Online Gambling requirements. The ultimate goal of Faireum is to remove the risk inherent in traditional systems by making it decentralized, transparent and trustful.


*By creating a new blockchain and a set of protocols with custom features to meet Online Gambling requirements, Faireum will introduce a platform that is trustful, borderless, secure, and fast for blockchain-powered online gambling, therefore:


-Our Solution Reducing operational costs of online gambling therefore providing higher payouts

-Reducing the risk of fraud Reducing the cost of user accounts and money management for online casino operators

-Enabling game developers to monetize their work

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-Integrating a system of replicable templates and incentivized sharing to allow game developers to benefit from a new value transfer rule that Faireum offers

-Providing third parties with trustful and transparent services to fit development under Faireum protocols

-Providing an official gambling platform that is based on the Faireum network for fully transparent betting and charging


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https://github.com/Faireum

Despite the significant growth of the online gambling industry, several on-going issues have made some countries (the US most prominently) reluctant to legalize online gambling. Additionally, a large number of people are deterred from trying out betting games due to problems with trust, security and reliability.

Also, problems such as account restrictions due to location, withheld bonuses, withdrawal fees and restrictions among other tend to deter people from even trying out online betting.

Our Team at Faireum aims to get rid of the restrictions placed upon the online betting community, and along with that, all the insecurities plaguing the minds of potential clients.

By creating a new blockchain and a set of protocols with custom features to meet Online Gambling requirements, Faireum will introduce a platform that is trustful, borderless, secure, and fast for blockchain-powered online gambling, therefore:

-Our Solution Reducing operational costs of online gambling therefore providing higher payouts

-Reducing the risk of fraud Reducing the cost of user accounts and money management for online casino operators

-Creating an open ecosystem of provably fair interoperable online casinos

-Providing third parties with trustful and transparent services to fit development under Faireum protocols

-Providing an official gambling platform that is based on the Faireum network for fully transparent betting and charging