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Last month the Veriblock testnet represented more than 30 percent of BTC’s network transactions but the project took a hiatus before launching the protocol’s mainnet. When the project stopped, the BTC network’s mempool dropped, transactions per day were cut in half, and fees slightly dipped. However, since the mainnet launch of the Veriblock blockchain, the mempool is once again getting ‘spammed’ and average transaction fees have increased over the last few days.

Also read: Indian Supreme Court Set to Hear Crypto Case on March 29

Veriblock’s Mainnet Captures 18% of BTC Transactions

The Veriblock blockchain launched its mainnet on March 25, and since then the project has been using a lot of BTC transactions again. reported on the Veriblock testnet back in February when the blockchain platform was piggybacking off the chain and utilized more than 30-45 percent of transactions on a daily basis. Often times last month, BTC transactions per day numbered 285,000-350,000 when Veriblock was testing.

Mempool ‘Spam’ and Rising Fees: The Consequences of Veriblock’s Mainnet Launch
Veriblock captures more than 18% of BTC transactions today.

Then, at the beginning of March, Veriblock stopped its testnet and BTC transactions (txn) slipped to 212,000 txn on March 9. After the latest Veriblock launch, the project is now capturing 18.6 percent of BTC transactions at the time of writing and BTC hit a weekly high of 393,000 txn on March 27. Moreover, because of all of these transactions, BTC’s average fee jumped from $0.34 to $0.49 per txn and the mempool (transaction queue) has spiked considerably.

Mempool ‘Spam’ and Rising Fees: The Consequences of Veriblock’s Mainnet Launch
Since Veriblock has returned BTC network fees began to rise.

The Veriblock chain is a project that aims to “help secure blockchain networks against 51% attacks so they can thrive.” The project uses a system called proof-of-proof (PoP) and the ‘proof’ is tied to the OP_Return transactions used within the BTC network. Essentially Veriblock can create a snapshot of any chain state and secure it with BTC in a transparent and permissionless fashion. When the mainnet launched, the Veriblock team explained that it is committed to helping other blockchains fend off malicious attacks.

The team mentioned the 51 percent attacks and deep reorgs that happened to Bitcoin Gold, Zencash, Ravencoin, FLO, Vertcoin, and Ethereum Classic as recent examples. Veriblock says that cryptocurrency development teams can now concentrate on programming new features, instead of stressing about attacks. “The marketplace has validated this approach, with over 6,000,000 security transactions on Bitcoin to date,” Veriblock claims.

Mempool ‘Spam’ and Rising Fees: The Consequences of Veriblock’s Mainnet Launch
The point when Veriblock was running its testnet and then took a break and then launched the blockchain’s mainnet on March 25 is very noticeable looking at BTC’s confirmed txns per day data.

Some Take Issue With Using BTC for Storing Arbitrary Data and Have Criticized ‘Unneeded’ Purchases

Last time Veriblock used a very noticeable amount of BTC transactions, many hardcore maximalists didn’t like the use of the opcodes and accused the project of “spamming” the network. Developer Jameson Lopp called the project “inefficient” at the time and others called it “garbage.” With the recent Veriblock mainnet launch, spectators are noticing the “fee pressure rises” and others have started getting salty again. There are others that see the fees as positive because they could kickstart Segwit adoption and force people into using the unfinished Lightning Network. For instance, one observer tweeted:

Seems like Lightning channel opens and Veriblock PoPs will make up the majority of transactions soon — This could force exchanges to look into adopting Lightning sooner rather than later.

Mempool ‘Spam’ and Rising Fees: The Consequences of Veriblock’s Mainnet Launch
BTC OP_Return statistics.

Op_Return transactions have been very popular throughout the community lately and other blockchains like Bitcoin Cash (BCH) have been using them widely as well with concepts like token creation and platforms like and In fact, OP_Return transactions have been popular throughout the Bitcoin economy since 2013, when people became fascinated with tethering bits of data into transactions to benefit from the blockchain’s immutability. However, some people have taken issue with people using BTC for arbitrary data and have called these transactions whimsical and unneeded spam. With the fees rising and BTC’s transaction congestion in 2017, it caused people to reveal their subjective valuations on what they think people should spend BTC on to the point where a coffee purchase with bitcoin is considered infeasible.

Mempool ‘Spam’ and Rising Fees: The Consequences of Veriblock’s Mainnet Launch
BTC mempool begins to see congestion.

Supporters of the BCH network believe that a focus on improving onchain scaling is a far better method than forcing people to pay high network fees and onboarding people onto an unfinished and insecure network. There are not many BCH proponents who take issue with people paying for transactions in a permissionless manner, even if it’s aimless and arbitrary information. Moreover, the BCH network has proved it can handle a significant surge of onchain transactions when it processed more than 2 million transactions in 24 hours on Sept. 1, 2018. In fact, the chain continued to process record-breaking daily txns per day that entire week and miner fees declined instead of doubling. It’s hard to say whether or not BTC’s increasing network fees and Veriblock paying for a large portion of transactions will push people toward the Lightning Network or towards other chains as it has done in the past.

What do you think about the Veriblock chain buying a lot of BTC transactions in order to operate its proof-of-proof (PoP) consensus? What do you think about the rising BTC network fees associated with this issue? Let us know what you think about this subject in the comments section below.

Image credits: Shutterstock,, Grafana OP_Return statistics, Veriblock, and

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