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The state of blockchain in supply chain management today
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Blockchain Innovations in Space and the Workplace
Bitcoin Meets Banking As U.S. Bank Regulator Permits Cryptocurrency Custody
Explore Social Media with the Blockchain Chamber
Deloitte's 2020 Global Blockchain Survey
Adam Inyang
Artist
Good Eden, LLC
I'm an artist with many canvases. Blockchain is my newest canvas, with which i will use to paint a whole new tapestry of economic freedom. View (0) Answers
Linda Goetze
President/CEO
Blockchain Chamber of Commerce
An educator and connector, I love bringing people together around mutually beneficial objectives! I believe we are stronger together! View (6) Answers
Donating to: The Blockchain Association
Michael J. Darden Sr.
Coach. Owner of technology products and platforms. Inventor and patent owner.
BlockKnowhow.com, dfmdata.com, adeeperview.com
Working smarter. Always looking for a better way. Rapid Observation, analysis, and course correction. Love to be part of the wave of growth. View (0) Answers
Bryan Allworthy
Senior Consultant
Divergence
Forward looking macro strategist specialising in the disruptive nature of divergent trends, manager of crypto assets and consultant to SMEs. View (0) Answers
Voices of the Community
Is there is a way to cancel or revert a Bitcoin transaction?
Once a transaction has been included in a block, no, there's no way to revert it.
If a transaction is sitting in the mempool, awaiting inclusion in a block, you can use Replace-By-Fee (RBF) to replace the transaction with a new one with a different fee. This is typically done whe...
How many blockchains are there?
There are hundreds, if not thousands, of blockchains. The number will continue to grow as blockchain technology is adopted and adapted to new use cases. In time, there could be hundreds of thousands or millions of chains in the same way that there are so many computer networks in...
Are there any drawbacks to blockchain?
Yes. As with anything, blockchains have advantages and disadvantages and should be used for appropriate purposes.
Depending on your perspective or usage, the following may be seen as drawbacks:
Some blockchains are 'slow'. Blockchains move (or process information) at a certain sp...
Why is the blockchain immutable?
A blockchain is immutable because (in simple terms):
The ledger is append only.
As opposed to a traditional database, which allows records to be inserted or edited, a blockchain only adds records to the end of the ledger.
Records are linked together and cryptographically sealed wi...
What Is A 51% Attack?
A 51% attack is when a miner or group of miners obtain 51% or more of the network hash power, allowing them to rewrite blockchain history. This attack is used for (among other things) a double-spend, where the attacker executes a transaction on the current blockchain (for example...
