It’s a new year, and with it comes the usual social media chatter about predictions for the upcoming decade. Instead of just focusing on 2020, let’s take a moment to reflect on the past decade and how far we’ve come.
**Mining and Network Security**
In 2010, network security relied on hobbyist desktop CPUs, easily outmatched by any resourceful adversary. By the start of 2020, security was bolstered by billions of dollars in hardware, consuming the electricity of entire small nations, provided by various billion-dollar companies. Over the decade, the security landscape transitioned from consumer hardware and hobbyists to specialized ASIC equipment and professionally managed data centers.
**Protocol Development**
In 2010, Bitcoin transactions were limited to sending to public keys or IP addresses, with timelock transactions applicable only to the transaction itself (not the UTXO). Raw multisig transactions were cumbersome and costly, and a bug allowed anyone to spend coins using OP_RETURN. Fast forward to 2020, and the advancements are significant:
– P2SH enables cheaper transactions to more complex scripts like multisig.
– Timelocks can now be applied to actual UTXOs based on absolute or relative block heights or UNIX timestamps.
– Segregated Witness (SegWit) allows for the construction of transactions without malleable TXIDs, facilitating second-layer protocols and chained transactions. SegWit also simplifies script upgrades through its versioning system.
– A basic version of the Lightning Protocol is in development, leveraging the malleability fix from SegWit.
– Deployed sidechains allow for easier testing and implementation of advanced or experimental features.
The past decade has yielded a remarkable array of primitives to build upon Bitcoin’s foundational network and blockchain, especially given the challenges of achieving consensus on upgrades and their implementation.
**Political Relevance**
In 2010, Bitcoin was a mere curiosity, barely on the radar of major institutions. The CIA had just begun to take notice, leading to a developer’s talk that coincided with the mysterious disappearance of Satoshi Nakamoto. At that time, Bitcoin lacked the formal recognition and creative strategies that would later enhance its visibility and relevance.
As we look ahead, the evolution of Bitcoin and its ecosystem over the past decade sets the stage for exciting developments in the years to come.