今日又迎來每個月的「基礎挖礦速率調整」，由原本的0.0121065降為0.0115035，此次下降調整幅度為4.98%，比上個月降幅（2.6%）還多，也是這半年降幅第二大的 （但與去年的Pi Day降幅14.77%相比，仍然少了不少）
2. 2022.3.1正式實行基礎速率(Base rate) (B)的調整，並且調整為每個月降速一次，本來是計畫隨著更短的時間進行調整，如天或小時、分等，為了計算及呈現方便，故更改為每個月調整一次。
4. 基礎速率(Base rate) (B)的調整是根據上個月先鋒的活躍程度以及剩餘的幣量(發給先鋒的幣量為650億顆Pi供應，總供應量為1,000億顆)來進行運算，活躍先鋒目前已知的定義為連續三天都有點亮閃電的用戶，只要上個月比上上個月的活躍人數更多，則基礎速率會進行調降，反之則調升 (目前為止還沒遇過調升)，且該基礎速率一旦在月初確認，直至下個月的調整前都不會改變。如果剩餘還能給先鋒挖礦的Pi幣數量為350億顆，那公式呈現會如下所示：
supply_limits(expressed in Pi/day) = exp (-last_day_total_mining_rewards / 1220) • 35,000,000,000
@PiCoreTeam Apr 1st - 6:59am
On April 1, 2023, the new base mining rate becomes effective as part of its monthly adjustment based on the rewards issuance formula released on March 1, 2022. You will see the new rate when you start your first new mining session of the month. Boost your individual mining rate through diverse contributions, including Pi Lockups, App usage, Node operations, Security Circles, and Referrals. “Read More” for details, or “Boost Mining Rate” now!
On December 28, 2021, we launched the Mainnet along with newchapters of the updated Pi white paper (December Whitepaper). One chapter,
“Token Model and Mining”, described Pi’s supply model, new mining mechanism,
and mining rewards within the supply limit. Please use the December Whitepaper
linked here as a reference for the following details.
On March 1,2022, the declining rewards issuance formula took effect. In particular, the
systemwide base mining rate (B) was reduced based on a monthly supply limit
defined by the formula, which is described in the following sections. B stays
constant for a month and then gets adjusted every following month based on the
formula. On March 14, 2022, the new mining mechanism, which includes new
rewards specified in the December Whitepaper, took effect. Pioneers are now
able to increase their individual mining rate by making newer, more diverse
types of contributions to the network via Pi lockup, app usage, and node
Based onthe rewards issuance formula, the base mining rate (B) will drop again on
October 1st, according to the plan.This new B will take effect when a Pioneer
launches their first new mining session in October and will stay constant
throughout the month. Below are more details, announced on March 1st, about the
rewards issuance formula, how B is calculated, and what Pioneers can do to
increase their individual mining rate.
New MiningRate and Rewards Issuance Formula
The firstversion of the Rewards Issuance Formula was announced March 1st 2022 —the
declining exponential function described below—whereby in combination with
mining activities, the systemwide base mining rate (B) is reduced based on a
monthly supply limit determined by the formula. The monthly decrease in B
occurs on the first day of each new month and remains constant through the end
of that month. B will continue to be adjusted based on the formula and decrease
on a monthly basis in the future. Note that the new base mining rate will take
effect upon the start of each Pioneer’s first new mining session of the month.
Thisformula intends to ensure that Pioneer mining rewards are within the total
supply limit of 65 billion allocated for mining rewards as announced in the
December Whitepaper. This declining exponential function along with the new
mining mechanism balances the network’s need for growth, accessibility,
longevity, and scarcity. Additionally, it right-sizes the Pioneers’ rewards for
contribution to the network.
Even thoughB is reduced, Pioneers now have many more avenues to make other types of
contributions to the network and boost their individual mining rates. This, in
fact, is one of the purposes of the new mining mechanism. On March 14 (Pi day),
2022, the new mining mechanism took effect along with the new types of rewards:
lockup, app usage, and node operation—as specified by their respective formulae
in the December Whitepaper.
Together,the first version of the declining network rewards issuance formula and the new
mining mechanism mark a major advancement in the development of Pi Network’s
Token Model and Mining design during the Mainnet phase. These incremental steps
further exemplify how the Enclosed Mainnet period offers the network opportunities
to iterate on specific formulae based on ongoing findings as well as token
modeling and simulations.
Please notethat the declining exponential formula below is the first version of the
Rewards Issuance Formula, as it is impossible to precisely predict the future
data on Mainnet and from new mining. This first version was designed based on
past data, simulations and best assumptions, such as the 35 billion remaining
supply for future mining rewards, Pioneer lockups and overall ecosystem
factors. For example, the 35 billion remaining Pi is estimated based on the
currently available data about real Pioneers’ mobile balances. A more accurate
figure will be determined by the speed of network KYC and how much Pi is
migrated to the Mainnet in the future. Further data and continual simulations
will help assess such underlying assumptions in the rewards issuance formula,
and thus, may lead to the formula’s adjustment in line with the network’s
objectives as explained above.
supply_limits(expressed in Pi/day) = exp (-last_day_total_mining_rewards / 1220) •
supply_limitsare the output of this formula that allocates a specific amount of Pi to each
day for the indefinite time while making sure the total future issuance will
not exceed the remaining available supply,
last_day_total_mining_rewardsis equal to the total Pi mining rewards issued on the previous day,
1220 is atuning factor to be further tuned over the coming months, and
35 billionis the estimated number of Pi available for Pioneers to mine going forward.
How is theMonthly B calculated?
TheDecember Whitepaper stated that the systemwide base mining rate (B) will be
dynamically adjusted to keep the mining rewards issuance within supply limits
for a certain period of time. The time period could be yearly, monthly, daily,
hourly, or even more granular. For simplicity, we are starting the dynamic B on
a monthly basis, meaning that B will stay constant for a month and will be
adjusted based on the rewards issuance formula and the network’s mining
activities at the end of each month. Starting with a B that stays constant for
a month helps Pioneers understand the implications of 1) new supply limits, 2)
the new mining mechanism with new rewards, and 3) a more dynamic nature of B
(potentially in the future) one at a time, given that these concepts are
complex and all have an effect on Pioneers’ mining rewards. At the same time, a
monthly period is short enough to correct any potential over- or under-issuance
of Pi deviating from the rewards issuance formula while B is stable long enough
for Pioneers to follow along and adjust their contributions to the network to
mine for rewards.
Eachmonth’s B is calculated based on the supply limit for the month based on this
formula and the sum of all reward coefficients of all active Pioneers from the
last day of the previous month. This B stays constant through the month and
updates again on the first day of the next month. This adjustment of B occurs
Morespecifically, the value of B for a given month is calculated by summing up the
daily supply_limits for the month from the above rewards issuance formula and
dividing it by the number of days in the month for even daily allocation within
the month and dividing it again by the sum of coefficients of mining rewards of
all active Pioneers of the last day of the previous month—including their
multiples of Referral Team, Security Circle, Pi Lockup, App usage, and Node
Operation rewards (Please refer to December Whitepaper: Section: Mainnet Mining
Formula to understand how to calculate B). Similar iterations occur each month.
When Bstays constant in a month, the total number of Pi actually mined every month
varies with the total number of actively mining Pioneers and the contributions
they make in that month. At the end of the month, the total number of Pi
actually mined will be compared with the number initially projected by the
formula. Any deviation between the two numbers each month will lead to a
further adjustment on the remaining Pi supply, across the remaining indefinite
mining period, along with any other types of adjustments explained above, e.g.
the assumed 35 billion remaining mining rewards supply.
As such,the monthly B can potentially cause an overissuance of Pi when there is an
unexpected increase in the number of Pioneers and their mining rates, leading
to a deviation from the rewards issuance formula. If such deviation on a
monthly basis is constantly large, the network can move to a more dynamic
version of the B model where the monthly issuance of Pi remains constant but B
gets adjusted on a more granular time epoch basis. The shorter the time period
for adjusting B to follow the formula, the less is the potential for over- or
under-issuance against the targeted supply limits, and the less is the chance
for deviation from the formula over that period. More data on Mainnet and the
new mining mechanism will help examine the efficacy of the current monthly
dynamic B and determine if a more dynamic version B is necessary.
How CanPioneers Mine More Pi?
Althoughthe base mining rate may drop, Pioneers have multiple ways to increase their
individual mining rate, accentuating the importance of making more
contributions to the network. In addition to mining everyday, you can boost
your individual mining rate by:
completingyour Security Circle to maximize Security Circle rewards,
invitingyour friends to mine Pi to increase Referral Team rewards,
remindingyour existing Referral Team to mine,
setting andcommiting to a lockup configuration or increasing your current lockup
engagingwith the apps on the Pi Browser directory to increase App Usage rewards, and
running aNode on the Testnet to increase Node Rewards.
Pleaserefer to the December Whitepaper to understand different reward formulas. And
keep in mind that, as mentioned in the December Whitepaper, all formulas of new
mining are subject to some tuning.
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