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Upcoming crypto events calendar

Follow the world of blockchain with our cryptocalendar. Here are all the main events related to crypto. Updates daily.

Upcoming crypto events calendar

Events

Date Event name Location
December 2026
31
December
2026, Thu
Brave phases out Brave Ads Notification unit
  • Product Release
  • Web3
Online
Q4
2026
date TBC
Cardano Dijkstra hard fork (Linear Leios, phase 1)
  • Network Upgrade
  • Blockchain
Online
TBA
December
2026, date TBC
Avareun AI (AVN) planned exchange listings
  • Listing
  • Cryptocurrency
Online
Q4
2026
date TBC
Midnight Ledger v9 upgrade mainnet release
  • Mainnet Launch
  • Blockchain
Online
TBA
December
2026, date TBC
HSBC RedCoin HKD stablecoin retail launch
  • Product Release
  • Stablecoins
Online
TBA
December
2026, date TBC
CME Emerging Crypto Index first rebalance
  • Event
  • Investment
Online
TBA
December
2026, date TBC
Ethereum Glamsterdam mainnet upgrade
  • Network Upgrade
  • Ethereum
Online
TBA
December
2026, date TBC
Stacks Epoch 4.1 network upgrade
  • Mainnet Launch
  • Bitcoin
Online
TBA
December
2026, date TBC
Blockchain Association 2026 Policy Summit
  • Summit
  • Regulation
Online
TBA
December
2026, date TBC
Ethereum Economic Zone first production EEZ rollup (Gnosis Chain transition)
  • Mainnet Launch
  • Ethereum
Online
TBA
December
2026, date TBC
Coinbase spot margin (up to 10x) and options rollout outside the US
  • Product Release
  • trading
Online
TBA
December
2026, date TBC
EU Digital Identity Wallets availability deadline for Member States
  • Regulatory Deadline
  • Regulation
Online
TBA
December
2026, date TBC
Cardano Ouroboros Leios mainnet deployment
  • Mainnet Launch
  • Blockchain
Online
TBA
December
2026, date TBC
GAO investigation into CFTC workforce reduction begins
  • Regulatory Deadline
  • Regulation
Online
TBA
December
2026, date TBC
Haider Rafique to leave OKX
  • Event
  • Cryptocurrency
Online
TBA
December
2026, date TBC
SBI DigiTrust, NICE and DSRV stablecoin QR payment verification testing completion
  • Testnet
  • Stablecoins
Online
TBA
December
2026, date TBC
Coinbase Pro relaunch as professional platform
  • Product Release
  • trading
Online
TBA
December
2026, date TBC
SBI DigiTrust, NICE and DSRV Japan-Korea stablecoin QR payment pilot
  • Event
  • Stablecoins
Online
TBA
December
2026, date TBC
Standard Chartered Singapore institutional crypto custody launch
  • Product Release
  • Cryptocurrency
Online
January 2027
01
January
2027, Fri
South Korea 22% crypto gains tax takes effect
  • Regulatory Deadline
  • Regulation
Online
01
January
2027, Fri
South Korea 22% crypto gains tax takes effect
  • Regulatory Deadline
  • Regulation
Online
01
January
2027, Fri
South Korea 22% cryptocurrency income tax takes effect
  • Regulatory Deadline
  • Regulation
Online
01
January
2027, Fri
French stablecoin swap tax takes effect
  • Regulatory Deadline
  • Stablecoins
Online
01
January
2027, Fri
Expanded Central Bank crypto supervisory data and anti-fraud retention rules take effect
  • Regulatory Deadline
  • Regulation
Online
01
January
2027, Fri
North Carolina HB 920 crypto ATM (BTM) regulations take effect
  • Regulatory Deadline
  • Regulation
Online
Hackathon Blockchain

ETHGlobal Mumbai hackathon with Hedera $15,000 bounty pool

05 November 2026, Thursday
Mumbai, India Location
HBAR Hedera

Hedera has announced a $15,000 bounty pool for developers at the ETHGlobal Mumbai hackathon, which begins on November 5, 2026 in Mumbai, India. The incentive involves the network's native coin, HBAR, and is aimed at drawing developer activity to the Hedera ecosystem.

What is happening

ETHGlobal Mumbai is a hackathon taking place in Mumbai, with the start date set for November 5. As part of the event, Hedera will offer a $15,000 bounty pool, a prize fund that rewards developers who build projects on or with the network. The announcement was reported by Coinfomania, and the event status is confirmed. An end date has not been specified in the available information.

The bounty comes alongside other recent Hedera developments. The network's mainnet was updated to version 0.78.1, and Network MCP was introduced on testnet, with both changes intended to improve transaction efficiency and reduce latency. Hedera has also held privacy-focused sessions with major financial institutions such as Citi and J.P. Morgan to explore decentralized finance opportunities, and it took part in a joint blockchain coalition request to the SEC for a digital commodity framework, according to CoinGape.

At the time of the report, HBAR was trading at about $0.0794 after a 7.5% daily decline, below its key moving averages. Analysts cited in the coverage describe short-term sentiment as bearish, with support at $0.0775 and resistance near $0.0831.

Why it matters

Hackathon bounties are a common way for blockchain networks to attract builders and test new tooling. For Hedera, a dedicated prize pool at a well-known developer event may increase the number of applications, integrations and experiments built on the network, which supports its long-term utility narrative. The effect of any single hackathon on network usage is uncertain and typically becomes visible only over time, through the projects that continue after the event.

For holders and traders, the event is a fundamental data point rather than a direct market catalyst. Coverage of HBAR notes that ecosystem news has so far coexisted with selling pressure in price action. Those following the asset may want to watch which teams win Hedera bounties, whether those projects continue development, and whether further developer-focused announcements follow. This is informational context only and not financial advice.

Key details

  • Date: November 5, 2026 (start date; end date not specified)
  • Project: Hedera
  • Coins: HBAR
  • Category: Hackathon
  • Status: Confirmed
  • Location: Mumbai, India
  • Source: Traders Union (https://tradersunion.com/news/cryptocurrency-news/show/3931969-hedera-drops-7-5percent-to-usd0-0794/)