A proposal emerged under the name of Bitcoin Classic, aiming to expand the maximum size of transaction blocks. Despite its initial promise, the Bitcoin Classic project failed to gain widespread traction within the bitcoin community and was never fully realized. Instead, other efforts successfully addressed the issue of larger blocks.
Bitcoin’s framework operates with a high level of security, primarily due to the computational power required to compromise and decrypt its blockchain. This ensures transactions bypass centralized intermediaries, as first established in 2008 under the names Bitcoin or Bitcoin Core. Since its inception, numerous enhancements have been suggested, frequently focusing on augmenting the system’s transaction throughput by enabling either swifter handling or increased block sizes.
Understanding the Block Size Debate
In the Bitcoin network, miners—those who utilize computational resources to update bitcoin transaction records—introduce new transaction data through a hashing algorithm. Once a block is finalized, it transitions into the subsequent block in the blockchain, adhering to a one-megabyte size cap in Bitcoin Core. With the transaction count surging, this size constraint has engendered congestion, impeding transaction processing rates. Bitcoin Classic endeavored to mitigate this bottleneck by expanding block capacities.
Initially, Bitcoin’s usage (enabling multiple transactions) with transaction records appended to the blockchains’ terminus was the standard approach.
The Hard Fork Proposal
In 2016, Bitcoin Classic floated a proposal to increase block dimensions, leading to a network division following varied criteria, known as a “hard fork.”
To decrease the chance of divergent standards among Bitcoin nodes and miners, it’s crucial to secure majority backing for any proposal. Once a new convention gains acceptance, outdated software protocols become irrelevant.
Yet, the challenge of Bitcoin’s scalability remains a significant issue for its developers and users, with many maintaining that enlarging blockchain capacities is key to accelerating transaction processing as the transaction count rises. Operating on this philosophy, another Bitcoin variant, Bitcoin Cash, continues; however, Bitcoin Cash’s overall transaction volume still pales in comparison to Bitcoin’s.
Despite the rise in saturated blocks and transaction charges, Bitcoin Classic’s adoption never achieved critical momentum, leading to the platform’s eventual cessation. By the latter part of 2016, Bitcoin Classic shifted, advocating for flexible block size settings by miners and nodes—a tactic akin to Bitcoin Unlimited’s approach. By November 2017, Bitcoin Classic had shuttered entirely.