Transactions/Second Sources

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At a meetup in Singapore, Lightyear Program Manager Lindsay Lin's presentation referenced 1000 t/s:

Mobius - a technology company built on Stellar - can perform 1000 t/s today:

“we can already do 1,000 txs/second today since we're on @StellarOrg can easily scale to more than 2k txs/second"

- Mobius on Twitter

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Tammy Camp, founder of Stronghold - a decentralized exchange built on Stellar, indicates the Stellar protocol can handle 3000+ t/s:

“Blockchain, Ethereum, and Stellar Protocol Comparison. Side by side how can there be so many arguments on Twitter? ;)"

- Tammy Camp on Twitter

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In an interview with the blockchain-focused podcast Epicenter, Stellar founder Jed McCaleb suggested ~4000 t/s at the 37:18 mark. Volume capacity can scale with hardware:

“It really depends on the hardware you are running Stellar Core on, so it is hard to give solid numbers. We've gotten it up to 4000 transactions per second, and that wasn't on that crazy of hardware. It was basically a machine with a SSD drive. You can take it much further on big hardware. We also haven't put in a ton of effort into optimizing too much. The network is still very small, so it seems silly to get it too much faster than it can do right now. We are pretty confident there are a lot of areas you can optimize still.”

- Jed Mccaleb: Stellar And The Vision Of An Open Financial System - Epicenter, 2017 (37:18)

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Barclays Africa's chief executive for corporate and investment banking, Stephen van Coller, said that, in a test with Delloite, they achieved ~10,000 t/s:

“A test of the prototype found that it could process 36 million transactions an hour using Google cloud servers"

- How Barclays Aims to Bring a Billion Unbanked into the Fold - American Banker, 2016

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Offchain transactions powered by the Lightning Network will only amplify the t/s capacity:

“There will be this global Stellar network that is handling a large scale of transactions, but you can get far beyond that through these off chain transactions"

- Jed Mccaleb: Stellar And The Vision Of An Open Financial System - Epicenter, 2017 (36:53)

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